Gastrolobium sp.

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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.

Gastrolobium comprises the following species:

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• 1.1Gastrolobium bilobum Group
  • 1.1.1Gastrolobium parviflorum Subgroup
• 1.2Gastrolobium calycinum Group
• 1.3Gastrolobium celsianum Group
• 1.4Gastrolobium cruciatum Group
• 1.5Gastrolobium floribundum Group
• 1.6Gastrolobium heterophyllum Group
• 1.7Gastrolobium ilicifolium Group
• 1.8Gastrolobium obovatum Group
• 1.9Gastrolobium pyramidale Group
• 1.10Gastrolobium retusum Group
• 1.11Gastrolobium spinosum Group
• 1.12Gastrolobium villosum Group
• 1.13Incertae Sedis

Gastrolobium - Wikipedia

 

 

 

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