poison bush

noun

Definition of poison bush 

: any of several poisonous or unwholesome Australian plants:

a : a leguminous plant of Gastrolobium or the related genus Gompholobium with poisonous herbage

b : a poisonous desert shrub (Myoporum deserti)

c : poison pea especially : darling pea

d : a tree (Trema cannabina) that is injurious to livestock because of the large amount of fiber it contains

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