Calothamnus validus
| Barrens clawflower | |
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| File:Calothamnus validus (leaves, flowers).JPG | |
| Calothamnus validus growing near East Mount Barren | |
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C. validus
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| Binomial name | |
| Calothamnus validus |
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Calothamnus validus, commonly known as Barrens clawflower, is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is an upright or rounded shrub with stiff, cylindrical but not sharply pointed leaves and red, 4-part flowers. The common name derives from the location, West Mount Barren, where it was found by Spencer Moore, the author of its formal description. It is commonly cultivated and has sometimes escaped from gardens in Western Australia.
Contents
Description
Calothamnus validus grows to about Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). tall and has leaves that are about Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). long. The leaves are circular in cross section and taper to a point but are not prickly.[1][2][3]
The flowers are red and arranged in small clusters about Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). long, containing usually 2 to 4 flowers. They have 4 petals and 4 claw-like bundles of stamens, all narrow and about the same length. Unlike some others in the genus, the flowers and fruit are never buried in corky bark. Flowering occurs from July to November and is followed by fruits which are woody capsules. The fruiting capsules have two prominently thickened, curved lobes.[1][3][4]
Taxonomy and naming
Calothamnus validus was first formally described by Spencer Moore in 1920 in Journal of the Linnean Society - Botany from a specimen collected " in a rocky creek near West Mt. Barren".[5] The specific epithet (validus) is a Latin word meaning "strong" or "healthy".[6]
Distribution and habitat
Calothamnus validus occurs in the Barren Mountains in the Fitzgerald River National Park[1] in the Esperance Plains biogeographic regions.[4] It grows in rocky quartzite in kwongan.[1][7]
Ecology
This species, Calothamnus quadrifidus and others have been used in revegetation projects and in roadside plantings and both have escaped from cultivation.[8]
Conservation
Calothamnus validus is classified as "not threatened" by the Western Australian government department of parks and wildlife.[4]
References
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