Thomasia discolor


Thomasia discolor is a species of flowering plant in the family Malvaceae and is endemic to the south-west of Western Australia. It is a small, compact shrub with hairy new growth, heart-shaped leaves with wavy, lobed edges, and pink flowers in crowded clusters.

Description

Thomasia discolor is a compact shrub that typically grows to high, wide and has its young growth covered with rust-coloured, star-shaped hairs. The leaves are heart-shaped to oval, long and wide on a petiole up to long. The edges of the leaves are wavy and lobed, the lower surface densely covered with white or rust-coloured, star-shaped hairs. The flowers are arranged in crowded racemes of up to 10, each flower on a pedicel long, with hairy bracteoles at the base. The sepals are pink, up to long, but there are no petals. Flowering occurs from September to December.

Taxonomy and naming

Thomasia discolor was first formally described in 1845 by Ernst Gottlieb [von Steudel] in Lehmann's Plantae Preissianae from specimens collected in 1840. The specific epithet means "variegated", referring to the leaves.

Distribution and habitat

This thomasia grows in coastal heath in moist places, hill slopes and tops in the Esperance Plains and Jarrah Forest bioregions of south-western Western Australia.

Conservation status

Thomasia discolor is listed as "not threatened" by the Western Australian Government Department of Biodiversity, Conservation and [Attractions (Western Australia)|Department of Biodiversity, Conservation and Attractions].