Hill's emubush is a hardy and reliable shrub and some specimens have been in cultivation for up to 40 years. Conservation status Įremophila hillii is classified as " Priority Four" by the Government of Western Australia Department of Parks and Wildlife, meaning that is rare or near threatened. hillii grows in stony clay and calcareous soils in isolated populations growing on the Nullarbor Plain in South Australia and Western Australia. The specific epithet ( hillii) honours "Ronald Hill of the Adelaide Botanic Garden". The species was first formally described in 1967 by Elizabeth Anne Shaw and the description was published in Transactions of the Royal Society of South Australia. Flowering occurs from July to September and is followed by fruits which are dry, oval-shaped with a glabrous, papery covering and are 5.5–7.5 mm (0.2–0.3 in) long. The 4 stamens extend beyond the end of the petal tube. The petal tube is red or orange-red, sometimes yellow and both the inside and outside of the tube have scattered glandular hairs. The petals are 20–35 mm (0.8–1 in) long and are joined at their lower end to form a tube. There are 5 sepals, differing in size and from each other, linear to egg-shaped and mostly 4–16 mm (0.2–0.6 in) long. The flowers are borne singly in leaf axils on a densely hairy stalk 1–4 mm (0.04–0.2 in) long. They are mostly 8–18 mm (0.3–0.7 in) long, 4–10 mm (0.2–0.4 in) wide, egg-shaped to almost circular and usually have a few rounded teeth on the margins. The leaves are densely crowded near the tips of the branches and are covered with a dense layer of branched hairs when young, becoming glabrous as they age. Its branches are densely covered with white or pale grey branched hairs, at least when young but become glabrous as they age. It is a dense shrub with many tangled branches, densely hairy stems, leaves and sepals and red or yellow petals.Įremophila hillii is a dense, sometimes erect, others spreading shrub with many tangled branches and which grows to a height of less than 0.8 m (3 ft). Eremophila hillii, commonly known as Hill's emu bush, is a flowering plant in the figwort family, Scrophulariaceae and is endemic to the Nullarbor Plain in Australia.
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