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 monofluoroacetate (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 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).[2][3]
In the 1930s and 1940s C.A. Gardner and H.W. Bennetts identified other species in Western Australia, leading to the publication of The Toxic Plants of Western Australia in 1956.[4]
The base chromosome number of Gastrolobium is 2n = 16.[5]
Species
Gastrolobium comprises the following species:[1][6][7][8][9]
Gastrolobium bilobum Group
- Gastrolobium acrocaroli G. Chandler & Crisp
- Gastrolobium bilobum R.Br.—Heart-leaved poison
- Gastrolobium brevipes Crisp
- Gastrolobium callistachys Meisn.—Rock poison[Note 1]
- Gastrolobium congestum G. Chandler & Crisp
- Gastrolobium cuneatum Henfry—River poison
- Gastrolobium grandiflorum F.Muell.—Wallflower poison
- Gastrolobium graniticum (S.Moore) Crisp—Granite poison[Note 2]
- Gastrolobium involutum G. Chandler & Crisp
- Gastrolobium semiteres G. Chandler & Crisp
- Gastrolobium stenophyllum Turcz.—Phillips River poison, Narrow-leaved poison
- Gastrolobium tergiversum G. Chandler & Crisp
Gastrolobium parviflorum Subgroup
- Gastrolobium discolor G. Chandler, Crisp & R.J. Bayer
- Gastrolobium melanocarpum G. Chandler & Crisp
- Gastrolobium musaceum G. Chandler & Crisp
- Gastrolobium parviflorum (Benth.) Crisp—Box poison
- Gastrolobium tetragonophyllum (E.Pritz.) Crisp—Brother-brother
Gastrolobium calycinum Group
- Gastrolobium appressum C.A.Gardner—Scaleleaf poison
- Gastrolobium calycinum Benth.—York Road poison
- Gastrolobium hamulosum Meisn.—Hook Point poison[Note 3]
- Gastrolobium oxylobioides Benth.—Champion Bay poison
- Gastrolobium racemosum (Turcz.) Crisp—Net-leaved poison
- Gastrolobium reflexum G. Chandler & Crisp
- Gastrolobium rigidum (C.A.Gardner) Crisp—Rigid leaf poison[Note 4]
- Gastrolobium spectabile (Endl.) Crisp—Roe's poison
- Gastrolobium tenue G. Chandler & Crisp
Gastrolobium celsianum Group
- Gastrolobium bracteolosum (F. Muell.) G. Chandler & Crisp
- Gastrolobium celsianum (Lem.) G. Chandler & Crisp—Swan River pea
- Gastrolobium formosum (Kippist ex Lindl.) G. Chandler & Crisp
- Gastrolobium leakeanum Drumm.—Mountain pea
- Gastrolobium luteifolium (Domin) G. Chandler & Crisp
- Gastrolobium melanopetalum (F. Muell.) G. Chandler & Crisp
- Gastrolobium minus (Crisp) G. Chandler & Crisp
- Gastrolobium modestum (Crisp) G. Chandler & Crisp
- Gastrolobium mondurup G. Chandler & Crisp
- Gastrolobium papilio (Crisp) G. Chandler & Crisp
- Gastrolobium praemorsum (Meisn.) G. Chandler & Crisp
- Gastrolobium rubrum (Crisp) G. Chandler & Crisp
- Gastrolobium sericeum (Sm.) G. Chandler & Crisp
- Gastrolobium subcordatum (Benth.) G. Chandler & Crisp
- Gastrolobium vestitum (Domin) G. Chandler & Crisp
Gastrolobium cruciatum Group
- Gastrolobium cruciatum G. Chandler & Crisp
- Gastrolobium epacridoides Meisn.
- Gastrolobium punctatum (Turcz.) G. Chandler & Crisp
- Gastrolobium reticulatum (Meisn.) Benth.
Gastrolobium floribundum Group
- Gastrolobium crassifolium Benth.—Thick-leaved poison
- Gastrolobium diabolophyllum G. Chandler, Crisp & R.J. Bayer
- Gastrolobium floribundum S.Moore—Wodjil poison
- Gastrolobium glaucum C.A.Gardner—Spike poison[Note 5]
- Gastrolobium hians G.Chandler & Crisp
- Gastrolobium laytonii Jean White—Breelya, Kite-leaved poison
- Gastrolobium microcarpum (Meisn.) Benth.—Sandplain poison
- Gastrolobium parvifolium Benth.—Berry poison
- Gastrolobium polystachyum Meisn.—Horned poison, Hill River poison
- Gastrolobium propinquum C.A.Gardner—Hutt River poison
- Gastrolobium pycnostachyum Benth.—Mount ragged poison, Round-leaved poison[Note 6]
- Gastrolobium velutinum Lindl. & Paxton—White gum poison, Stirling Range poison
Gastrolobium heterophyllum Group
- Gastrolobium heterophyllum (Turcz.) Crisp—Slender poison
- Gastrolobium nutans G. Chandler & Crisp
- Gastrolobium pusillum Crisp & P.H. Weston
Gastrolobium ilicifolium Group
- Gastrolobium ilicifolium Meisn.
- Gastrolobium rhombifolium G. Chandler & Crisp
- Gastrolobium tricuspidatum Meisn.
Gastrolobium obovatum Group
- Gastrolobium bennettsianum C.A.Gardner—Cluster poison
- Gastrolobium brownii Meisn.
- Gastrolobium hookeri Meisn.
- Gastrolobium latifolium (R. Br.) G. Chandler & Crisp
- Gastrolobium obovatum Benth.
- Gastrolobium plicatum Turcz.
- Gastrolobium pulchellum Turcz.
- Gastrolobium spathulatum Benth.
- Gastrolobium stowardii S. Moore
- Gastrolobium truncatum Benth.
Gastrolobium pyramidale Group
- Gastrolobium coriaceum (Sm.) G. Chandler & Crisp
- Gastrolobium crenulatum Turcz.
- Gastrolobium pyramidale T.Moore
Gastrolobium retusum Group
- Gastrolobium acutum Benth.
- Gastrolobium alternifolium G. Chandler & Crisp
- Gastrolobium capitatum (Benth.) G. Chandler & Crisp
- Gastrolobium crispatum G. Chandler & Crisp
- Gastrolobium dorrienii (Domin) G. Chandler & Crisp
- Gastrolobium ebracteolatum G. Chandler & Crisp
- Gastrolobium effusum (M.D. Crisp & F.H. Mollemans) G. Chandler & Crisp
- Gastrolobium linearifolium G. Chandler & Crisp
- Gastrolobium nervosum (Meisn.) G. Chandler & Crisp
- Gastrolobium retusum Lindl.
- Gastrolobium stipulare Meisn.
- Gastrolobium whicherensis G. Chandler & Crisp
Gastrolobium spinosum Group
- Gastrolobium aculeatum G. Chandler, Crisp & R.J. Bayer
- Gastrolobium euryphyllum G. Chandler & Crisp
- Gastrolobium spinosum Benth.—Prickly poison
- var. grandiflorum C.Gardner
- var. spinosum Benth.
- var. triangulare Benth.
- var. trilobum S. Moore
- Gastrolobium triangulare (Benth.) Domin
- Gastrolobium trilobum Benth.—Bullock poison
- Gastrolobium wonganensis G. Chandler & Crisp
Gastrolobium villosum Group
- Gastrolobium densifolium C.A.Gardner—Mallet poison
- Gastrolobium glabratum G. Chandler & Crisp
- Gastrolobium ovalifolium Henfr.—Runner poison
- Gastrolobium rotundifolium Meisn.—Gilbernine poison
- Gastrolobium tomentosum C.A.Gardner—Wooly poison[Note 7]
- Gastrolobium villosum Benth.—Crinkle-leaved poison
Incertae Sedis
- Gastrolobium axillare Meisn.
- Gastrolobium cyanophyllum G. Chandler & Crisp
- Gastrolobium dilatatum (Benth.) G. Chandler & Crisp
- Gastrolobium elegans G. Chandler & Crisp
- Gastrolobium ferrugineum G. Chandler, Crisp & R.J. Bayer
- Gastrolobium humile G. Chandler & Crisp
- Gastrolobium lehmannii Meisn.
- Gastrolobium nudum G. Chandler & Crisp
- Gastrolobium venulosum G. Chandler & Crisp
Species names with uncertain taxonomic status
The status of the following species is unresolved:[1][8][9]
- Gastrolobium boormani Maiden & Betche
- Gastrolobium compactum C.A. Gardner
- Gastrolobium elachistum F.Muell.
- Gastrolobium henfreyi Lem.
- Gastrolobium huegelii Henfr.
- Gastrolobium makoyanum Heynh.
- Gastrolobium revolutum Crisp
- Gastrolobium scorsifolium F.Muell.
- Gastrolobium splendens Heynh.
- Gastrolobium velutinum Lindl. ex J. Paxton
- Gastrolobium verticillatum Heynh.
- Gastrolobium whicherense G.Chandler & Crisp
- Gastrolobium wonganense G.Chandler & Crisp
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