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Gastrolobium leakeanum

Gastrolobium leakeanum
Photo: Geoffrey Derrin, CC BY-SA 4.0

Gastrolobium leakeanum, the mountain pea, is an erect or sprawling Western Australian shrub to about 2 m with scarlet to orange or yellow pea flowers in spring. It grows on rocky mountain slopes and is rarely cultivated, mainly because of poisonous foliage.

Family
Fabaceae (Pea & bean family)
Grows as
Shrub
Light
Full sun
Water
Water sparingly once established; it is adapted to dry, infertile sites.
Soil
Well-drained sandy or stony soil, ideally gritty loam over rock.
Temperature
Tolerates mild Mediterranean-type conditions; protect from hard frost.
How easy
Hard
Safety
Toxic: The foliage contains poisonous compounds (fluoroacetate-type toxins typical of the genus), so all parts should be treated as harmful.
Native range
SW. Western Australia (Sterling Range)
Climate
subtropical

About

Gastrolobium leakeanum, commonly known as the mountain pea, is a plant in the pea family Fabaceae that is endemic to a small area in the south-west of Western Australia. It is an erect or sprawling shrub to about 2 m (6 ft 7 in) high, with red to orange or yellow flowers in spring.

How to grow it

As with other members of its genus, G. leakeanum has been avoided in cultivation, probably because of the poisonous components in its foliage.

Where it grows

Mountain pea grows on mountaintops, ridges and steep slopes in sandy clay or loam over quartzite or in stony soils. It is found in the Esperance Plains and Mallee biogeographic regions of Western Australia.

Other Gastrolobium plants

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

Text excerpted from the Wikipedia article Gastrolobium leakeanum 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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