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Calothamnus oldfieldii facts for kids

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Calothamnus oldfieldii
Scientific classification

Melaleuca augusti-oldfieldii Craven & R.D.Edwards

Calothamnus oldfieldii is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is a small, spreading shrub with needle-shaped leaves and clusters of red flowers with 5 petals and 5 stamen bundles. (In 2014 Craven, Edwards and Cowley proposed that the species be renamed Melaleuca augusti-oldfieldii.)


Calothamnus oldfieldii is a small shrub growing to a height of about 1.5 metres (5 ft). Its leaves are 25–50 millimetres (1–2 in) long and nearly circular in cross section and taper to a pointed end.

The flowers are bright red and arranged in small groups and the stamens are arranged in 5 claw-like bundles. Flowering occurs from July to November and is followed by fruits which are woody capsules about 5 millimetres (0.2 in) long.

Taxonomy and naming

Calothamnus oldfieldii was first formally described by Victorian Government Botanist Ferdinand von Mueller in 1862 in Volume 3, Part 21 of Fragmenta Phytographiae Australiae. The specific epithet (oldfieldii) honours Augustus Frederick Oldfield, an English botanist and plant collector.

Distribution and habitat

Calothamnus oldfieldii occurs in the Carnarvon, Geraldton Sandplains and Yalgoo biogeographic regions where it grows in sandy kwongan.


Calothamnus oldfieldii is classified as "not threatened" by the Western Australian government department of parks and wildlife.

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