Английская Википедия:Conospermum caeruleum

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Шаблон:Short description Шаблон:Speciesbox

Conospermum caeruleum, commonly known as blue brother, is a shrub in the family Proteaceae and is endemic to the south west of Western Australia. It is a prostrate shrub with small, dense heads of blue, rarely pink flowers and usually grows in heavy soils subject to flooding.

Description

It grows as a prostrate or straggly shrub usually growing to a height of about Шаблон:Convert and a spread of up to Шаблон:Convert. The leaves are clustered at the base of the stem, have a stalk Шаблон:Convert and a leaf blade that is thread-like to egg-shaped and Шаблон:Convert. The leaves have prominent veins and end abruptly in a sharp point. The flowers are arranged in dense clusters of up to 18 tube-like blue flowers, each about Шаблон:Convert long. Flowers appear between July and October and are followed by the fruit which is a nut about Шаблон:Convert long and Шаблон:Convert wide.[1][2][3]

Taxonomy

Conospermum caeruleum was first formally described in 1810 by Robert Brown and the description was published in Transactions of the Linnean Society of London from a specimen collected near "King George's Sound, west coast of New Holland".[4][5] The specific epithet (caeruleum) is a Latin word meaning "sky-blue".[6]

Six subspecies are recognised by the Australian Plant Census as at November 2020:

  • Conospermum caeruleum R.Br. subsp. caeruleum[7]
  • Conospermum caeruleum subsp. contortum E.M.Benn.[8]
  • Conospermum caeruleum subsp. debile (Kippist ex Meisn.) E.M.Benn.[9]
  • Conospermum caeruleum subsp. marginatum (Meisn.) E.M.Benn.[10]
  • Conospermum caeruleum subsp. oblanceolatum E.M.Benn.[11]
  • Conospermum caeruleum subsp. spathulatum Benth. E.M.Benn.[12]

Distribution and habitat

Conospermum caeruleum occurs from Busselton to east of Albany[1] in the Avon Wheatbelt, Esperance, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain and Warren biogeographical regions of Western Australia[13] growing on sand, sandy peat, stony clay, laterite or granite in areas that are wet in winter.[14]

Use in horticulture

Conospermum species, especially the Western Australian ones are difficult to cultivate.[15]

Conservation status

Conospermum caeruleum is classified as "not threatened" by the Government of Western Australia Department of Parks and Wildlife.[13]

Gallery

References

Шаблон:Reflist

External links

Шаблон:Taxonbar