- poison bush, poison pea, gastrolobium - any of various Australian evergreen shrubs of the genus Gastrolobium having whorled compound leaves poisonous to livestock and showy yellow to deep reddish-orange flowers followed by two-seeded pods
--1 is a kind of shrub, bush
--1 is a member of genus Gastrolobium - darling pea, poison bush - either of two Australian plants of the genus Swainsona that are poisonous to sheep
--2 is a kind of subshrub, suffrutex
--2 is a member of Swainsona, genus Swainsona
--2 has particulars:smooth darling pea, Swainsona galegifolia; hairy darling pea, Swainsona greyana, Swainsona grandiflora