antineoplastic antibiotic: doxorubicin, daunorubicin, bleomycin, mitomycin, and dactinomycin, all of which are derived from species of Streptomyces bacteria. While these drugs may have antibacterial activity, they are generally too dangerous and toxic for that use. Antineoplastic antibiotics are associated with blood

doxing, the act of exposing private or identifying information on the Internet about an individual or group without the person’s or group’s consent, usually with malicious intent. It derives from the phrase “dropping dox,” a term for disclosing another person’s “documents” or personal information.

diplomacy: Diplomatic agents: …papal envoy is always the doyen, or dean, of the diplomatic corps; internuncios elsewhere found themselves in the tiny remaining group of ministers. Hence, the title of pro-nuncio was devised to gain entry into the first class.

Philippe-Sirice Bridel was a man of letters, known as le doyen Bridel, who advocated an indigenous Swiss literature and tried to awaken a national consciousness in all areas of life. A French-language writer, Bridel helped bring both French- and German-speaking Swiss together in politics as well as

graphic design: Postwar graphic design in the United States: …who launched his career at Doyle Dane Bernbach was George Lois, whose works were engagingly simple and direct. Lois went on to design over 90 covers for Esquire magazine in the 1960s. He used powerful photographs and photomontages, usually by Carl Fischer, to make succinct editorial statements about the United…

History of film: Hong Kong: …made with the Australian cinematographer Christopher Doyle. Their bright palette and swift cutting and camera movement were on display in such works as A-Fei zhengzhuan (1990; Days of Being Wild), Dongxie xidu (1994; Ashes of Time), Chongquing senlin (1994; Chungking Express), and Duoluo tianshi (1995; Fallen Angels). Later,

tap dance: Early history: …such as Harland Dixon and Jimmy Doyle (a duo known for their buck-and-wing dancing) impressed audiences and influenced developing dancers with their skill, ingenuity, and creativity. In addition to shaping dance performance, tap dancers influenced the evolution of popular American music in the early to mid-20th century; drummers in particular…

Mabel Keaton Staupers was a Caribbean-American nurse and organization executive, most noted for her role in eliminating segregation in the Armed Forces Nurse Corps during World War II. Staupers immigrated to the United States with her family in 1903. In 1914 she enrolled in the Freedmen’s Hospital

Richard Doyle was a caricaturist, painter, and illustrator who, together with his father, John (1797–1868), introduced into British art a moderate style of caricature, opposed to the savage satire of James Gillray and Thomas Rowlandson. A student of his father, Doyle regularly contributed (from

Roddy Doyle is an Irish author known for his unvarnished depiction of the working class in Ireland, particularly in his home city of Dublin. Since his literary debut in the 1980s, Doyle’s distinctively Irish settings, style, mood, and phrasing have made him a favorite fiction writer in his own

Arthur Conan Doyle was a Scottish writer best known for his creation of the detective Sherlock Holmes—one of the most vivid and enduring characters in English fiction. Conan Doyle, the second of Charles Altamont and Mary Foley Doyle’s 10 children, began seven years of Jesuit education in

macular degeneration: Other forms of macular degeneration: Malattia Leventinese (Doyne honeycomb) retinal dystrophy, which is characterized by a honeycomb-like pattern of drusen formation under the retina, is caused by mutations in the gene EFEMP1 (EGF-containing fibulin-like extracellular matrix protein 1). Sorsby fundus dystrophy, which is clinically similar to wet AMD, is caused…

the dozens, in African American culture, a game of verbal combat typically played by young men. The participants match wits by exchanging humourous insults, usually before an audience. Some versions of the dozens incorporate rhyme; in the 1960s those were important to the development of rap. The

bulldozer, powerful machine for pushing earth or rocks, used in road building, farming, construction, and wrecking; it consists of a heavy, broad steel blade or plate mounted on the front of a tractor. Sometimes it uses a four-wheel-drive tractor, but usually a track or crawler type, mounted on

coal mining: Dozer cutting: Exploration of coal outcrops may be accomplished with dozer cuts at regular intervals. Dozer cutting provides information on the attitude of the coal and on the nature of the overburden—important factors with regard to machine operation.

Gavrilo was the patriarch of the Serbian Orthodox Church (1938–50), noted for his anti-Nazi stand and, later, for his limited accommodations with the Communists. Gavrilo was educated at Prizren in Serbia and at Athens and Istanbul. In 1910 he became bishop of Peć and in 1920 metropolitan of

Red Brigades: …Treaty Organization (NATO), Brigadier General James Dozier, was abducted and held captive by the Red Brigades for 42 days before Italian police rescued him unharmed from a hideout in Padua. Between 1974 and 1988, the Red Brigades carried out about 50 attacks, in which nearly 50 people were killed. A…

Gavrilo was the patriarch of the Serbian Orthodox Church (1938–50), noted for his anti-Nazi stand and, later, for his limited accommodations with the Communists. Gavrilo was educated at Prizren in Serbia and at Athens and Istanbul. In 1910 he became bishop of Peć and in 1920 metropolitan of

Ferenc Erkel: Erkel’s 1867 opera, Dózsa György, displays Wagnerian stylistic touches in its use of leitmotifs, while Brankovics György (1874) employs Hungarian, Serbian, and Turkish musical material.

Dózsa Rebellion, (1514), unsuccessful peasant revolt in Hungary, led by nobleman György Dózsa (1470–1514), that resulted in a reduction of the peasants’ social and economic position. During the reign of King Vladislas II (1490–1516), royal power declined in favour of the magnates, who used their

György Dózsa was a nobleman, soldier of fortune, and leader of the Hungarian Dózsa Rebellion of 1514. After having won a reputation for valour in the Turkish wars, Dózsa was appointed to lead a new crusade against the Muslims. Thousands of peasants volunteered to serve him, but once assembled,

Reinhart Pieter Dozy was a Dutch Arabist, best remembered for his monumental Histoire des musulmans d’Espagne, jusqu’à la conquête de l’Andalousie par les Almoravides, 711–1110 (1861; Spanish Islam, 1913). Dozy, of French Huguenot ancestry, spent 33 years as a professor of history at the University

Reinhart Pieter Dozy was a Dutch Arabist, best remembered for his monumental Histoire des musulmans d’Espagne, jusqu’à la conquête de l’Andalousie par les Almoravides, 711–1110 (1861; Spanish Islam, 1913). Dozy, of French Huguenot ancestry, spent 33 years as a professor of history at the University

Uganda: The Republic of Uganda: …from Buganda, and of the Democratic Party (DP), which was based in Buganda and led by Kiwanuka, conservative Ganda leaders set up their own rival organization, Kabaka Yekka (KY), “King Alone.”

Democratic Party of Japan (DPJ), centrist Japanese political party that was founded in 1996 to challenge the long-dominant Liberal-Democratic Party (LDP). The DPJ made strong electoral showings from its earliest days, and within little more than a year of its establishment it became the country’s

Mongolia: Political developments: …parliamentary elections, and a new Democratic Party (DP) was formed by the MNDP, MDSP, and several other smaller parties. For the June 2004 MGK elections, the DP formed an alliance with the Motherland Party, but neither the MPRP nor this new alliance won a clear majority. By the end of…

Celâl Bayar: …as the leader of the Democrat Party, advocated a policy of private enterprise.

Democratic Party (DP), South African political party established in 1989 by the merger of the Progressive Federal Party with two smaller liberal parties, the National Democratic Movement and the Independent Party. The Democratic Party opposed apartheid and supported full voting and other civil

United Arab Emirates: Foreign relations: …over the move by state-owned Dubai Ports World (DP World) to take over management of a number of U.S. ports through its acquisition of the British firm that had previously run the ports. Citing security fears, the U.S. Congress threatened to block the deal, which was supported by Pres. George…

Defense Production Act (DPA), U.S. federal legislation, enacted on September 8, 1950, and regularly reauthorized, that grants to the president various temporary powers to intervene in the national economy to ensure or expedite the production of goods, services, and resources which he or she deems

news agency: Germany since 1949 has built Deutsche-Presse Agentur into one of the more important news agencies in Europe, including extensive exchange with other national services. In Canada the Canadian Press is a cooperative news agency with headquarters in Toronto. The oldest and largest news agency operating exclusively in Britain is the…

Albania: Political process: The Democratic Party, a centre-right group that made its debut as the first opposition party in Albania, scored a series of election successes in the early 1990s, but it bore the brunt of the blame for the 1997 economic collapse and fell into opposition. Other political…

steel: Effects of carbon: Pearlite has a diamond pyramid hardness (DPH) of approximately 200 kilograms-force per square millimetre (285,000 pounds per square inch), compared with a DPH of 70 kilograms-force per square millimetre for pure iron. Cooling steel with a lower carbon content (e.g., 0.25 percent) results in a microstructure containing about…

Democratic Party of Japan (DPJ), centrist Japanese political party that was founded in 1996 to challenge the long-dominant Liberal-Democratic Party (LDP). The DPJ made strong electoral showings from its earliest days, and within little more than a year of its establishment it became the country’s

United Nations: Peacekeeping, peacemaking, and peace building: …1992 the UN created the Department of Peacekeeping Operations (DPKO), which provides administrative and technical support for political and humanitarian missions and coordinates all mine-clearing activities conducted under UN auspices.

Arthur Kornberg: …flavine adenine dinucleotide (FAD) and diphosphopyridine nucleotide (DPN), coenzymes that are important hydrogen-carrying intermediaries in biological oxidations and reductions.

Democratic Progressive Party (DPP), political party in Taiwan (the Republic of China [ROC]). It was formed in September 1986 by those who initially sought self-determination for people considered to be ethnically Taiwanese, democratic freedoms, the establishment of economic ties with the People’s

infectious disease: Diphtheria toxoid: … toxoid and pertussis vaccine (DPT), combined with tetanus toxoid alone (DT), and combined with tetanus toxoid for adults (Td). The Td preparation contains only 15 to 20 percent of the diphtheria toxoid present in the DPT vaccine and is more suitable for use in older children and adults.

fast food: Criticism and response: …the mid-2010s, and ice-cream chain Dairy Queen revealed the slogan “Fan food, not fast food” about the same time. The industry itself largely uses the term quick-service restaurant, or QSR.

Nova Herculis, one of the brightest novas of the 20th century, discovered Dec. 13, 1934, by the British amateur astronomer J.P.M. Prentice, in the northern constellation Hercules. It reached an apparent visual magnitude of 1.4 and remained visible to the unaided eye for months. At its centre was

iron processing: Direct reduction (DR): This is any process in which iron is extracted from ore at a temperature below the melting points of the materials involved. Gangue remains in the spongelike product, known as direct-reduced iron, or DRI, and must be removed in a subsequent steelmaking…

dram, unit of weight in the apothecaries’ and avoirdupois systems. An apothecaries’ dram contains 3 scruples (3.888 grams) of 20 grains each and is equal to one-eighth apothecaries’ ounce of 480 grains. The avoirdupois dram contains 27.344 grains (1.772 grams) and is equal to one-sixteenth

Dr. Ambedkar Nagar, town, western Madhya Pradesh state, central India. It lies on the southern Malwa Plateau, the watershed of the Chambal and Narmada river basins. The town, formerly a large British cantonment known as Mhow, was founded in 1818 by John Malcolm. It remains an important cantonment;

Aurangabad: The seat of Dr. Babasaheb Ambedkar Marathwada University (1958), it is a prominent educational centre, and several branch colleges are located there. The city is also a popular tourist destination, mainly the result of its proximity to the Ellora and Ajanta cave temples, both of which were designated…

Ernest B. Schoedsack: Later films: The Last Days of Pompeii, Dr. Cyclops, and Mighty Joe Young: …at a grade-A fantasy with Dr. Cyclops (1940). Though it did not turn out to be another King Kong, it was Hollywood’s first Technicolor excursion into science fiction, with Albert Dekker as Dr. Alexander Thorkel, one of the screen’s most memorable mad scientists, who discovers the secret of miniaturization and…

Jack Kevorkian was an American physician who gained international attention through his assistance in the suicides of more than 100 patients, many of whom were terminally ill. Jack Kevorkian attended the University of Michigan and in 1952 graduated from the University of Michigan Medical School.

Harold Shipman was a British doctor and serial killer who murdered about 250 of his patients, according to an official inquiry into his crimes. Shipman’s murders raised troubling questions about the powers and responsibilities of the medical community in Britain and about the adequacy of procedures

Dr. Demento is an American radio broadcaster, record collector, and musicologist whose cult-favorite radio program, the Dr. Demento Show, aired from 1971 to 2010 and revitalized the appreciation of novelty music. Since 2010, the Dr. Demento Show has been produced as a weekly online-only program.

computer: Early computer enthusiasts: …and Orthodontia, later changed to Dr. Dobb’s Journal.

computer: Early computer enthusiasts: …and Orthodontia, later changed to Dr. Dobb’s Journal.

Norm Macdonald: Career: … (1996), and the family films Dr. Doolittle (1998) and Dr. Doolittle 2 (2001). His stand-up comedy was featured in the television specials Norm Macdonald: Me Doing Standup (2011), Norm Macdonald: Hitler’s Dog, Gossip & Trickery (2017), and the posthumously released Norm Macdonald: Nothing Special (2022).

Norm Macdonald: Career: Doolittle (1998) and Dr. Doolittle 2 (2001). His stand-up comedy was featured in the television specials Norm Macdonald: Me Doing Standup (2011), Norm Macdonald: Hitler’s Dog, Gossip & Trickery (2017), and the posthumously released Norm Macdonald: Nothing Special (2022).

Dr. Dre is an American rapper, hip-hop producer, and entrepreneur who helped popularize the gangsta rap subgenre. Born to teenaged parents who aspired to singing careers, André Young took the stage name Dr. Dre in the early 1980s. He performed as a hip-hop deejay and as part of the group World

William Dieterle: Warner Brothers: Dr. Ehrlich’s Magic Bullet (1940) was another tasteful screen biography; Edward G. Robinson starred as the German scientist who discovered a cure for syphilis, and Ruth Gordon played his wife. A Dispatch from Reuter’s (1940) featured Robinson as yet another famous 19th-century German, the founder

Fu Manchu, fictional character, a Chinese criminal genius who was the hero-villain of novels and short stories by Sax Rohmer (pseudonym of Arthur Sarsfield Ward). The character also appeared in silent and sound films, radio, and comic strips. The sinister Dr. Fu Manchu personified the genre of the

Norman Taurog: Elvis movies: …threatens his upcoming wedding, and Dr. Goldfoot and the Bikini Machine (1966), a spy spoof about a secret agent’s attempts to thwart a mad scientist (Vincent Price) who wants to use female robots to take over the world. Four Presley musicals completed Taurog’s career: Spinout (1966), Double Trouble (1967), Speedway…

Doctor Heidegger’s Experiment, story by Nathaniel Hawthorne, published in Twice-Told Tales (1837). Elderly Dr. Heidegger and four of his contemporaries participate in his scientific experiment on aging. Dr. Heidegger applies water from the Fountain of Youth to a faded rose; the flower regains its

Indiana Jones, American film character, an archaeologist and adventurer featured in a series of popular movies. The film Raiders of the Lost Ark (1981), set in 1936, introduced Dr. Henry (“Indiana”) Jones, a young professor of archaeology and history at fictional Marshall College, whose

Joss Whedon: …waves with a new miniseries, Dr. Horrible’s Sing-Along Blog, a musical comedy about an aspiring supervillain that was released online in three installments. The low-budget Web production became a smash hit, and, despite not having aired on television (it was eventually broadcast in 2012), it earned an outstanding special class…

Julius Erving is an American collegiate and professional basketball player who was one of the most colourful and exciting figures in the game during the 1970s and ’80s. At 6 feet 6 inches (1.98 metres), Erving played forward and was noted for his fast breaks, balletic leaps toward the basket, and

Dr. Jekyll and Mr. Hyde, American horror film, released in 1931, that is widely considered the best film adaptation of Robert Louis Stevenson’s classic novel Strange Case of Dr. Jekyll and Mr. Hyde (1886). Fredric March portrayed the kindly London physician, Dr. Henry Jekyll, who is impatient to

Victor Fleming: The 1940s: Fleming began the decade with Dr. Jekyll and Mr. Hyde (1941), an adaptation of Stevenson’s short novel; it was widely considered inferior to Rouben Mamoulian’s acclaimed 1931 version. Fleming’s film featured a somewhat miscast Tracy alongside Ingrid Bergman and Lana Turner. In 1942 Fleming paired Tracy with

B.B. King: …were stalwart New Orleans pianist Dr. John, ace session drummer Jim Keltner, and stand-up bassist Nathan East. The album earned King his final Grammy, for best traditional blues album.

Sydney Pollack: Early work in television and film: >Dr. Kildare, and Bob Hope Presents the Chrysler Theatre, among others; for the latter, Pollack helmed The Game (1965) episode, which won him an Emmy Award. During that time he also acted in his first feature film, War Hunt (1962). The Korean War drama featured…

Jules Romains: …triomphe de la médecine (1923; Dr. Knock, 1925), a satire in the tradition of Molière on the power of doctors to impose upon human credulity. The character of Dr. Knock, whose long and serious face, scientific double-talk, ominous pauses, and frightening graphs and charts convert a group of robust villagers…

David Livingstone: Opening the interior: The publication of Dr. Livingstone’s Cambridge Lectures (1858) roused almost as much interest as his book, and out of his Cambridge visit came the Universities’ Mission to Central Africa in 1860, on which Livingstone set high hopes during his second expedition to Africa.

Fritz Lang: Early life and German films: …Ein Bild der Zeit (1922; Dr. Mabuse: The Gambler), a crime thriller; and Die Nibelungen: Siegfried (1924; Siegfried) and Die Nibelungen: Kriemhilds Rache (1924; Kriemhild’s Revenge), both of which were based on a 13th-century epic saga. In 1920 Lang married novelist Thea von Harbou, with whom he had been collaborating…

Miller-Tydings Act of 1937: Miles case (Dr. Miles v. John D. Park & Sons), in which the Court held that certain vertical resale price agreements substantially lessened competition as effectively as any horizontal agreement and were in violation of the Sherman Act. Subsequently, by June 30, 1938, resale price-maintenance laws had…

Dr. No, British spy film, released in 1962, that is the first installment in the James Bond series, one of the most successful franchises in cinema. The movie is based on Ian Fleming’s best-selling novel. Bond, a British MI6 agent (played by Sean Connery), is sent by his boss, M (Bernard Lee), to

Mehmet Oz: Medical career: …hosting the daytime television series The Dr. Oz Show, an hour-long program that included information on various health topics and on preventive medicine. It was an immediate success with viewers, but Oz’s recommendations on the program drew scrutiny, and in 2014 he appeared before a U.S. Senate panel that was…

Phil McGraw is an American psychologist, author, and television personality who gained fame following numerous appearances on The Oprah Winfrey Show and with his own daytime talk show, Dr. Phil. McGraw attended the University of Tulsa, Oklahoma, on a football scholarship but turned his attention to

Ruth Westheimer was a German American sex therapist who became one of the most trusted authorities on sex and relationships in the United States through her radio call-in program, television talk shows, and numerous books and media appearances. Her frank yet nonjudgmental manner combined with her

Dr. Sammy Lee, an American of Korean descent, was the first Asian American to win an Olympic gold medal. Born in Fresno, California, in 1920, Sammy Lee enjoyed a relatively normal life in the United States until the Japanese attack on Pearl Harbor in 1941. The attack sparked a wave of paranoia and

Dr. Strangelove or: How I Learned to Stop Worrying and Love the Bomb, British satirical film, released in 1964, that was director and cowriter Stanley Kubrick’s landmark Cold War farce. It overcame a troubled production to become a film classic. Deemed “culturally, historically or aesthetically

Thomas Rowlandson: …publisher resulted in the popular Dr. Syntax series—Tour of Dr. Syntax in Search of the Picturesque (1812), The Second Tour of Dr. Syntax in Search of Consolation (1820), and The Third Tour of Dr. Syntax in Search of a Wife (1821). They also produced The English Dance of Death (1815–16)…

Robert Altman: Final years: Dr. T & The Women (2000), with Richard Gere cleverly cast as a charismatic gynecologist who caters to wealthy society scions, proved to be one of the most commercially successful films of Altman’s late career. Gosford Park (2001), a hybrid of murder mystery and comedy…

Barbourville: The Dr. Thomas Walker State Historic Site, 6 miles (10 km) south of the city, has a replica of the log cabin (the first house in Kentucky) built in 1750 by Walker, who explored the region and named the Cumberland Gap. During the American Civil War,…

Doctor Who, British science fiction television series produced by the British Broadcasting Corporation (BBC). The show’s original run lasted 26 years, from 1963 to 1989. Remembered for its primitive special effects and compelling story lines, Doctor Who became a landmark of British popular culture.

sand dune: Dune and sheet patterns: …very large dunes known as compound dunes, mega-dunes, or draa. These are sometimes arranged parallel to the apparent flow, in long ridges, and occasionally transverse to it in great sand waves. The compound dunes are usually covered with a smaller, secondary dune pattern, and the smaller dunes with ordinary sand…

Drâa River, intermittent stream (wadi) of southern Morocco. Rising from two headstreams, Dadès and Imini, in the High Atlas (Haut Atlas) mountains of central Morocco, it flows southeastward to Tagounit, hence it courses southwestward, forming much of the Algerian-Moroccan frontier, to the Atlantic

Drâa River, intermittent stream (wadi) of southern Morocco. Rising from two headstreams, Dadès and Imini, in the High Atlas (Haut Atlas) mountains of central Morocco, it flows southeastward to Tagounit, hence it courses southwestward, forming much of the Algerian-Moroccan frontier, to the Atlantic

Drâa River, intermittent stream (wadi) of southern Morocco. Rising from two headstreams, Dadès and Imini, in the High Atlas (Haut Atlas) mountains of central Morocco, it flows southeastward to Tagounit, hence it courses southwestward, forming much of the Algerian-Moroccan frontier, to the Atlantic

whitlow grass, (genus Draba), genus of more than 300 species of plants in the mustard family (Brassicaceae). They are distributed primarily throughout the New World, especially in the northern temperate region and mountainous areas, though some species (formerly of the genus Erophila) are native to

whitlow grass: Yellow whitlow grass (D. aizoides) is a similar European species but bears yellow flowers. Twisted, or hoary, whitlow grass (D. incana) and the smaller D. norvegica have leaves on the stems and white flowers with notched petals.

whitlow grass: Twisted, or hoary, whitlow grass (D. incana) and the smaller D. norvegica have leaves on the stems and white flowers with notched petals.

whitlow grass: incana) and the smaller D. norvegica have leaves on the stems and white flowers with notched petals.

A.S. Byatt was an English scholar, literary critic, and novelist known for her erudite works whose characters are often academics or artists commenting on the intellectual process. Byatt is the daughter of a judge and the sister of novelist Margaret Drabble. She was educated at the University of

Margaret Drabble is an English writer of novels that are skillfully modulated variations on the theme of a girl’s development toward maturity through her experiences of love, marriage, and motherhood. Drabble began writing after leaving the University of Cambridge. The central characters of her

Margaret Drabble is an English writer of novels that are skillfully modulated variations on the theme of a girl’s development toward maturity through her experiences of love, marriage, and motherhood. Drabble began writing after leaving the University of Cambridge. The central characters of her

Gurkha: …was seized in 1559 by Drabya Shah, the younger son of the king of Lamjung, who established his own kingdom. His descendant, Prithvi Narayan Shah, created an ethnically diverse military force that came to be known as the Gurkhas (or Ghurkhas), with which he conquered the Malla kingdom and consolidated…

Durrës, primary seaport of Albania. It lies on the Adriatic Sea coast, west of Tirana. Founded as Epidamnus by Greeks from Corcyra and Corinth in the 7th century bce, it was seized by the Illyrian king Glaucias in 312 bce. It later passed to the Romans, who called it Dyrrhachium and made it the

Dracaena, genus of about 170 species of flowering plants in the asparagus family (Asparagaceae). Members of the genus are native primarily to the Old World tropics, especially Africa, and one species is endemic to South America. Several Dracaena species are cultivated as houseplants for their

caiman lizard, any member of a genus (Dracaena) of lizards in the family Teiidae. These lizards (D. guianensis and D. paraguayensis) are found streamside in forested areas of South America. D. guianensis reaches a maximum length of 122 cm (48 inches). Caiman lizards spend much of their time in the

ti: Ti, or ti tree (Cordyline australis), is a common ornamental. In the wild it is a tree up to about 12 metres (40 feet) tall with a crown of long leaves, but it is much shorter when grown as a houseplant. It has green or white flowers…

Dracaena: Major species: Lucky bamboo (Dracaena braunii) and corn plant (D. fragrans), frequently with yellow leaf edges or white stripes, are common houseplants. Snake plant, or mother-in-law’s-tongue (D. trifasciata, formerly Sansevieria trifasciata), is another popular houseplant, known for its attractive upright foliage.

houseplant: Trees: Other examples are D. deremensis ‘Warneckei,’ with its handsome, symmetrical rosette of sword-shaped, milky-green leaves with white stripes; and D. sanderiana, the ribbon plant, a diminutive and slender, highly variegated species that can be grown in water. Similar in appearance is Pandanus veitchii, which has a rosette of…

Dracaena: Major species: Dragon trees, notably D. draco from the Canary Islands, can grow more than 18 metres (60 feet) tall and 6 metres (20 feet) wide. The trunk contains a red gum, called dragon’s blood, valued for its medicinal properties. A number of Dracaena species are listed…

Dracaena: Major species: Lucky bamboo (Dracaena braunii) and corn plant (D. fragrans), frequently with yellow leaf edges or white stripes, are common houseplants. Snake plant, or mother-in-law’s-tongue (D. trifasciata, formerly Sansevieria trifasciata), is another popular houseplant, known for its attractive upright foliage.

Dracaena: Major species: Iguanatail, or bowstring hemp (D. hyacinthoides, formerly S. hyacinthoides), has mottled leaves with light green bands and yellow edges; the greenish white fragrant flowers are borne in a tall cluster.

houseplant: Trees: …trees, includes such houseplants as D. marginata, from Madagascar, which forms clusters of twisted stems topped by rosettes of narrow, leathery leaves. Other examples are D. deremensis ‘Warneckei,’ with its handsome, symmetrical rosette of sword-shaped, milky-green leaves with white stripes; and D. sanderiana, the ribbon plant, a diminutive and slender,…