Gompholobium marginatum R.Br.

Taxonomic Identity and Growth Form

Gompholobium marginatum R.Br. is a prostrate or low, spreading shrub with spiny stems, that usually reaches a height of 5 to 40 cm.

Leaf Characteristics

Its leaves are palmate and sessile, measuring 10 to 25 mm in length.

Flower Pedicel and Bracteoles

This species produces uniformly yellow flowers, which are carried on hairless pedicels 10 to 12.7 mm long, with attached bracteoles.

Sepal Characteristics

The sepals are hairless and 5.5 to 8 mm long.

Petal Measurements

The standard petal is 8 to 10 mm long, the wings 6.5 to 8 mm long, and the keel 6 to 7 mm long.

Flowering Period and Fruit

Flowering takes place from August to November, and the fruit is a pod roughly 10 mm long.

Habitat and Distribution

Gompholobium marginatum grows in gravelly or granitic soils, and is found in the Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain and Warren biogeographic regions of south-western Western Australia.