crack willow Directory References Discover Why Do Jeans Have That Tiny Pocket? 9 American Political Scandals Where Is “Old Zealand”? 9 of the World’s Deadliest Mammals 9 of the World’s Deadliest Spiders 10 Greatest Baseball Players of All Time All 119 References in “We Didn’t Start the Fire,” Explained Contents Ask the Chatbot a Question crack willow plant Ask the Chatbot a Question Also known as: Salix fragilis, brittle willow Learn about this topic in these articles:description In willownigra), crack, or brittle (S. fragilis), and white (S. alba), all reaching 20 metres (65 feet) or more; the first named is North American, the other two Eurasian but naturalized widely. All are common in lowland situations. Read More Britannica ChatbotChatbot answers are created from Britannica articles using AI. This is a beta feature. AI answers may contain errors. Please verify important information using Britannica articles. About Britannica AI.