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Meaning of POISON BUSH

Pronunciation:  'poyzun bûsh

WordNet Dictionary
  1. [n]  either of two Australian plants of the genus Swainsona that are poisonous to sheep
  2. [n]  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
 Synonyms: darling pea, gastrolobium, poison pea
 See Also: bush, genus Gastrolobium, genus Swainsona, hairy darling pea, shrub, smooth darling pea, subshrub, suffrutex, Swainsona, Swainsona galegifolia, Swainsona grandiflora, Swainsona greyana



Webster's 1913 Dictionary
\Poison bush\ In Australia:
(a) Any fabaceous shrub of the genus {Gastrolobium}, the
    herbage of which is poisonous to stock; also, any species
    of several related genera, as {Oxylobium},
    {Gompholobium}, etc.
(b) The plant {Myoporum deserti}, often distinguished as
    {Ellangowan poison bush} or {dogwood poison bush}.
(c) The ulmaceous plant {Trema cannabina}, which, though not
    poisonous, is injurious to stock because of its large
    amount of fiber.