原生於中國。喜樹的花和果，外形均如小球，果實為多個翅果組成小球狀。全株含喜樹鹼，有抗癌、治白血病療效，是國家二級重點保護植物。

Native to China, this deciduous tree has spherical flowers and fruits.  Fruits, samara-like, cluster in globose heads.  Leaves are oblong-elliptic, papery and slightly puberulous (hairy).  The whole tree contains camptothecin, which is a primary material for anti-cancer and leukemia treatments.  It is presently a species under national protection (category II).