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Gastrolobium celsianum 01.jpg
Gastrolobium celsianum (Swan River Pea)
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Tribe: Mirbelieae
Genus: Gastrolobium

See text.

  • Brachysema R. Br.
  • Jansonia Kippist
  • Nemcia Domin

Gastrolobium is a genus of flowering plants in the family Fabaceae. There are over 100 species in this genus, and all but two are native to the south west region of Western Australia.

A significant number of the species accumulate monofluoroacetic acid - the key ingredient of the poison known commonly as 1080 which caused introduced/non native animal deaths from the 1840s in Western Australia. The controversy over the cause of the stock poisoning in that time involved the botanist James Drummond in a series of tests to ascertain the exact cause of the poisoning - which was determined to be caused primarily by the plants York Road poison (G. calycinum) and Champion Bay poison (G. oxylobioides).

In the 1930s and 1940s C.A. Gardner and H.W. Bennetts did considerable work identifying other species in Western Australia - leading to the publication of The Toxic Plants of Western Australia in 1956.


The genus Jansonia as well as Nemcia and Brachysema were incorporated into Gastrolobium in the publication of Chandler et al.'s monograph in 2002. Also since initial descriptions in the 1840s - some of the species have been described initially as Gastrolobium, then Oxylobium and back to Gastrolobium. Species (with common names in bold) include the following:

  • Gastrolobium acrocaroli Crisp ms
  • Gastrolobium aculeatum
  • Gastrolobium acutum
  • Gastrolobium alternifolium
  • Gastrolobium appressum C.A. Gardner Scaleleaf poison
  • Gastrolobium bennettsianum C.A. Gardner Cluster poison
  • Gastrolobium bilobum R.Br Heart-leaf poison
  • Gastrolobium bracteolosum
  • Gastrolobium brevipes Crisp
  • Gastrolobium brownii Meisn
  • Gastrolobium callistachys Meisn. Rock poison [1]
  • Gastrolobium calycinum Benth. York Road poison
  • Gastrolobium celsianum (Lemaire) G.Chandler & Crisp Swan River pea
  • Gastrolobium congestum Crisp ms
  • Gastrolobium coriaceum (Sm.) G.Chandler & Crisp
  • Gastrolobium crassifolium Benth. Thickleaf poison
  • Gastrolobium crenulatum
  • Gastrolobium crispatum
  • Gastrolobium cruciatum
  • Gastrolobium cuneatum Henfr.
  • Gastrolobium cyanophyllum
  • Gastrolobium densifolium C.A. Gardner Mallet poison
  • Gastrolobium diablophyllum G. Chandler and Crisp ms
  • Gastrolobium dilatatum
  • Gastrolobium discolor
  • Gastrolobium dorrienii
  • Gastrolobium ebracteolatum
  • Gastrolobium effusum
  • Gastrolobium elegans
  • Gastrolobium epacridoides
  • Gastrolobium ferrugineum
  • Gastrolobium floribundum S. Moore Wodjil poison
  • Gastrolobium forrestii River poison
  • Gastrolobium glabratum Crisp ms
  • Gastrolobium glaucum C.A. Gardner Spike poison [2]
  • Gastrolobium grandiflorum F.Muell Wallflower poison
  • Gastrolobium graniticum (S. Moore) Crisp Granite poison [3]
  • Gastrolobium hamulosum Meisn. Hook Point poison [4]
  • Gastrolobium heterophyllum (Turcz.) Crisp Slender poison
  • Gastrolobium hians Crisp ms
  • Gastrolobium hookeri
  • Gastrolobium humile
  • Gastrolobium involutum
  • Gastrolobium latifolium
  • Gastrolobium laytonii Jean White Breelya Kite Leaf
  • Gastrolobium leakeanum J.Drumm. Mountain pea
  • Gastrolobium lehmannii Meisn.
  • Gastrolobium melanopetalum (F. Muell.) G.Chandler & Crisp
  • Gastrolobium minus (Crisp) G.Chandler & Crisp Broad-leaved Brachysema
  • Gastrolobium microcarpum Meisn. Sandplain poison
  • Gastrolobium nutans G. Chandler & Crisp ms
  • Gastrolobium ovalifolium Henfr. Runner poison
  • Gastrolobium oxylobioides Benth. Champion Bay poison
  • Gastrolobium parvifolium (Benth.) Crisp Box poison
  • Gastrolobium parvifolium (Benth.) Crisp var. parvifolium ms
  • Gastrolobium parvifolium Benth. Berry poison
  • Gastrolobium polystchyum Meisn. Horned poison, (Hill-river poison)
  • Gastrolobium praemorsum (Meisn.) G.Chandler & Crisp
  • Gastrolobium propinquum C.A. Gardner Hutt River poison
  • Gastrolobium pusillum Crisp & PH Weston
  • Gastrolobium pycnostachyum Benth. Mt Ragged poison, Round-leaf poison [5]
  • Gastrolobium pyramidalum
  • Gastrolobium racemosum (Turcz.) Crisp Net-leaf poison
  • Gastrolobium reflexum G. Chandler ms
  • Gastrolobium revolutum Crisp ms
  • Gastrolobium rigidum (C.A. Gardiner) Crisp Rigid leaf poison [6]
  • Gastrolobium rotundifolium Meisn. 'Gilbernine poison
  • Gastrolobium rubrum Benth.
  • Gastrolobium semiteres Crisp ms
  • Gastrolobium sp. East Peak (E.D. Middleton EDM 43)
  • Gastrolobium sericeum (Sm.) G.Chandler & Crisp
  • Gastrolobium spathulatum
  • Gastrolobium spectabile (Endl.) Crisp Roe's poison
  • Gastrolobium spinosum Benth. Prickly poison
  • Gastrolobium spinosum Benth. var. spinosum
  • Gastrolobium spinosum Benth. var. trilobum S. Moore
  • Gastrolobium stenophyllum Turcz. Narrow-leaved poison
  • Gastrolobium stowardii
  • Gastrolobium subcordatum
  • Gastrolobium tenue Crisp ms
  • Gastrolobium tergiversum
  • Gastrolobium tetragonophyllum {E.Pritz.) Crisp Brother-brother
  • Gastrolobium tomentosum C.A. Gardner Wooly poison [7]
  • Gastrolobium triangulare(Benth.) Domin
  • Gastrolobium tricuspidatum
  • Gastrolobium trilobum Benth. Bullock poison
  • Gastrolobium truncatum Benth.
  • Gastrolobium velutinum Lindl. Stirling Range poison
  • Gastrolobium venulosum
  • Gastrolobium vestitum
  • Gastrolobium villosum Crinkle-leaf poison
  • Gastrolobium whicherensis
  • Gastrolobium wonganensis
  • Gastrolobium villosum Benth. Crinkle-leaved poison

See also[edit]


  1. ^ was previously DRF - Declared Rare Flora in Western Australia, not currently see
  2. ^ DRF - Declared Rare Flora in Western Australia see
  3. ^ DRF - Declared Rare Flora in Western Australia see
  4. ^ DRF - Declared Rare Flora in Western Australia see
  5. ^ Priority 2 see
  6. ^ was DRF - Declared Rare Flora in Western Australia but not currently - see
  7. ^ was DRF - Declared Rare Flora in Western Australia - now priority four - see


Further reading[edit]

  • Gardner, C.A. and Bennetts, H.W. (1956) The Toxic Plants of Western Australia Perth, West Australian Newspapers.
  • Seawright, A.A. (1982) Animal Health in Australia. Volume 2. Chemical and Plant Poisons Canberaa Australian Government Publishing Service ISBN 0-642-06577-2 - pp. 43–45 Flouracetates

External links[edit]