''Pimelea holroydii'' is a species of flowering plant in the family Thymelaeaceae and is endemic to the north of Western Australia. It is an erect shrub with egg-shaped leaves arranged more or less in opposite pairs, and head-like clusters of white or cream-coloured, tube-shaped flowers.

Description

''Pimelea holroydii'' is an erect shrub that usually grows to a height of and has a single stem at ground level. The leaves are arranged more or less in opposite pairs, egg-shaped to broadly egg-shaped, long and wide on a petiole long. The flowers are arranged in heads on a

peduncle Peduncle may refer to: *Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed *Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body **Peduncle (art ...

usually long, the flowers surrounded by 4 to 7 egg-shaped to broadly egg-shaped, green involucral bracts long and wide. As the flowers develop, the heads become more elongated. The flowers are usually white, sometimes cream-coloured, each flower on a

pedicel Pedicle or pedicel may refer to: Human anatomy *Pedicle of vertebral arch, the segment between the transverse process and the vertebral body, and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures ...

long. The floral tube is long and densely hairy, the sepals long. Flowering occurs in January and February and from August to October.

Taxonomy

''Pimelea holroydii'' was first formally described in 1868 by

Ferdinand von Mueller Baron Sir Ferdinand Jacob Heinrich von Mueller, (german: Müller; 30 June 1825 – 10 October 1896) was a German-Australian physician, geographer, and most notably, a botanist. He was appointed government botanist for the then colony of Vict ...

in '' Fragmenta Phytographiae Australiae'' from specimens collected by Charles Harper in the Hamersley Range. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

(''holroydii'') honours

Arthur Holroyd Arthur Todd Holroyd (1 December 1806 – 15 June 1887) was an Australian lawyer and politician. He was a member of the New South Wales Legislative Council between 1851 and 1856. He was also a member of the New South Wales Legislative Assembly ...

Distribution and habitat

This pimelea grows on red, clayey soil from the Hamersley Range to Mount James Station in the Gascoyne, Murchison and Pilbara bioregions of northern Western Australia.

Conservation status

''Pimelea holroydii'' is listed as "not threatened" by the Government of Western Australia

Department of Biodiversity, Conservation and Attractions The Department of Biodiversity, Conservation and Attractions (DBCA) is the Western Australian government The Government of Western Australia, formally referred to as His Majesty's Government of Western Australia, is the Australian state de ...

References

{{Taxonbar, from=Q17582322 Malvales of Australia holroydii Flora of Western Australia Taxa named by Ferdinand von Mueller Plants described in 1868