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Heart Leaf Poisonbush

Gastrolobium bilobum

Also called Heart Leaf Poison, Heart Leaved Poison

Heart Leaf Poisonbush
Photo: As with other Curtis plates, the artist and lithographer is recorded in the bottom left hand corner. Unfortunately, the, Public domain

Heart Leaf Poisonbush is a bushy, up to 4 m shrub from south west Western Australia, grown mainly as a native or curiosity plant rather than a houseplant. It is likely the most toxic species in its genus, so it should be handled with great care.

Family
Fabaceae (Pea & bean family)
Grows as
Shrub
Light
Full sun, Part shade
Water
Water sparingly once established, letting the soil dry between waterings.
Soil
Free-draining, sandy or gritty soil; tolerates poor, acidic soils.
Temperature
10-30 °C; protect from frost.
How easy
Moderate
Safety
Toxic: All parts contain high levels of monofluoroacetic acid, which is highly poisonous to humans and animals and can cause sudden, severe illness or death.
Native range
SW. & S. Western Australia
Climate
subtropical

About

Gastrolobium bilobum, commonly known as heart-leaved poison, is a bushy shrub which is endemic to south west Western Australia.

The species is a member of the family Fabaceae and is probably the most toxic species in the genus Gastrolobium, containing high levels of monofluoroacetic acid.

Other Gastrolobium plants

Gastrolobium acrocaroli · Gastrolobium alternifolium · Gastrolobium brevipes · York Road Poison · Bacon And Eggs · Swan River Pea · Gastrolobium coriaceum · Gastrolobium formosum · Gastrolobium glabratum · Australian Poisonbush · Gastrolobium leakeanum · Gastrolobium lehmannii

Text excerpted from the Wikipedia article Gastrolobium bilobum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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