Any of several herbs or woody vines of the genus Aristolochia having showy, malodorous, purplish-brown to yellowish flowers with peculiar or unusual shapes. The European species A. clematitis was used as a folk medicine to aid childbirth.

• 马兜铃一种马兜铃属的草本植物或木本蔓生植物，开有鲜艳、有恶臭味、紫褐色到黄色的，形状怪异的花朵。欧洲种h。铁线莲属在民间医药学中用于助产