Calytrix warburtonensis


Calytrix warburtonensis is a species of flowering plant in the myrtle family, Myrtaceae and is endemic to eastern inland areas of Western Australia. It is a glabrous shrub with linear, lance-shaped or egg-shaped leaves with the narrower end towards the base, and white star-shaped flowers with 23 to 28 stamens in a single row.

Description

Calytrix warburtonensis is a glabrous shrub that typically grows to a height of up to. Its leaves are linear, lance-shaped to egg-shaped with the narrower end towards the base, sometimes almost round, long and wide on a petiole long, with stipules up to long at the base of the petiole. The flowers are borne singly or in small groups on a peduncle long. The bracteoles are mostly free from each other, egg-shaped with the narrower end towards the base, long. The floral tube is long and has ten ribs. The sepals are elliptic to egg-shaped with the narrower end towards the base, about long wide with an awn up to long. The petals are white, narrowly elliptic to elliptic, long, wide and there are about 23 to 28 stamens in a single row, the filaments white long. Flowering has been recorded in September and October.

Taxonomy

Calytrix warburtonensis was first formally described in 1987 by Lyndley Craven in the journal Brunonia from specimens collected by Alex George at the Winduldurra Rockhole, south-west of Warburton in 1966. The specific epithet means 'native of Warburton'.

Distribution and habitat

This species of Calytrix grows in an open, gravelly area on rocky hills, slopes and breakaways, in the Warburton Range district in the north-west of the Gibson Desert and Great Victoria Desert bioregions of inland Western Australia.

Conservation status

Calytrix warburtonensis is listed as "Priority Two" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions, meaning that it is poorly known and from one or a few locations.