三出复叶为复叶的一种，仅有3片小叶着生在总叶柄的顶端。 有些二回掌状复叶和三回掌状复叶实际上是二回三出复叶和三回三出复叶。前者如淫羊藿；后者如唐松草的叶。 若顶生小叶柄较长，称羽状三出复叶，如大豆叶。若3小叶无柄或叶柄等长，称掌状三出复叶，如橡胶树。
具有三出复叶和黄色的花，豆荚向后弯曲；叶子碾碎后有臭味。
Shrub with trifoliate leaves and yellow flowers followed by backward curving seed pods; leaves foetid when crushed.
北美的一种多年生草本植物，具有三出复叶、总状花序、花小、白色，浆果卵形、红而透明。
North American perennial herb with ternately compound leaves and racemes of small white flowers followed by bright red oval poisonous berries.
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