Gastrolobium

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).

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.

The base chromosome number of Gastrolobium is 2n = 16.

Species Gastrolobium comprises the following species:

Gastrolobium bilobum Group Gastrolobium acrocaroli G. Chandler & Crisp Gastrolobium bilobum R.Br.—Heart-leaved poison Gastrolobium brevipes Crisp-Hill Wallflower Poison Gastrolobium callistachys Meisn.—Rock poison Gastrolobium congestum G. Chandler & Crisp

Gastrolobium cuneatum Henfry—River poison

Gastrolobium grandiflorum F.Muell.—Wallflower poison Gastrolobium graniticum (S.Moore) Crisp—Granite poison 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 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

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 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 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—Woolly poison 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.—Cranbrook pea Gastrolobium nudum G. Chandler & Crisp Gastrolobium venulosum G. Chandler & Crisp

Species names with uncertain taxonomic status The status of the following species is unresolved:

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

See also Western Shield Conservation Practices

Notes

References

Gastrolobium

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