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| any of various usually woody vines of the genus Derris of tropical Asia whose roots yield the insecticide rotenone; several are sources of native fish and arrow poisons | ||||
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| woody vine having bright green leaves and racemes of rose-tinted white flowers; woody vine having bright green leaves and racemes of rose-tinted white flowers; the swollen roots contain rotenone ❲Derris elliptica❳ |