蔓虎刺属（Mitchella），多年生匍匐性草本，无毛。叶对生，薄革质，羽状脉；托叶叶柄间。花成对，顶生；花萼宽钟形，3-6齿；花冠白色，漏斗形，喉部被毛，裂片3-6，苞时镊合状；异形花柱，雄蕊内藏或突出；子房4室，每室1胚珠，柱头4裂。浆果2枚合生，4分核。台湾有1种。
下属物种
- 蔓虎刺 Mitchella undulata
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