Английская Википедия:Eucalyptus calcicola
Шаблон:Short description Шаблон:Speciesbox
Eucalyptus calcicola, commonly known as the Boranup mallee, Harry Butler's mallee[1] or Hamelin Bay mallee,[2] is a mallee that is endemic to a small area in the south-west of Western Australia.[3] It has smooth, pale greenish bark, lance-shaped to curved adult leaves, flower buds in groups of seven or nine, white flowers and ribbed, cup-shaped to hemispherical fruit.
Description
Eucalyptus calcicola is a mallee that grows to a height of Шаблон:Convert and forms a lignotuber. It has smooth, pale greenish grey bark that is shed in strips. Young plants and coppice regrowth have leaves arranged in opposite pairs, broadly egg-shaped, Шаблон:Convert long, Шаблон:Convert wide and sessile. Adult leaves are arranged alternately, lance-shaped to curved, Шаблон:Convert long, Шаблон:Convert wide on a petiole Шаблон:Convert long and are the same slightly glossy mid-green on both sides. The flower buds are arranged in groups of seven or nine on a flattened peduncle Шаблон:Convert long, the individual buds on a pedicel up to Шаблон:Convert long. The mature buds are oval, Шаблон:Convert long and Шаблон:Convert wide with a conical operculum. Flowering occurs between January and June and the flowers are white. The fruits is a woody, cup-shaped to hemispherical capsule Шаблон:Convert long and Шаблон:Convert wide with the valves below the rim.
Taxonomy and naming
Eucalyptus calcicola was first formally described in 1974 by Ian Brooker from a specimen collected by K.M Allen in 1971 from near Cape Freycinet. The description was published in the journal Nuytsia.[4][5]
In 2002, Dean Nicolle described two subspecies:[6]
- Eucalyptus calcicola subsp. calcicola has strongly ribbed fruit that is Шаблон:Convert in diameter;[1][7][8]
- Eucalyptus calcicola subsp. unita has weakly ribbed fruit that is Шаблон:Convert in diameter.[9][10][11]
The specific epithet (calcicola) is derived from Latin words meaning "limestone" and "dweller" referring to the habitat of this species.[1][12]Шаблон:Rp The epithet unita is a Latin word meaning "united", referring to this subspecies being a link between subspecies calcicola and E. ligulata.[12]Шаблон:Rp[9]
Distribution and habitat
Subspecies calcicola mainly grows on limestone dunes between Cape Freycinet and Cape Hamelin in far south coastal regions of Western Australia. Subspecies unita occurs between Point Hillier near Denmark and Bremer Bay.[1][9]
Conservation
Both subspecies of E. calcicola are classified as "Priority Four" by the Government of Western Australia Department of Parks and Wildlife,[7][10] meaning that is rare or near threatened.[13]
See also
References
- ↑ 1,0 1,1 1,2 1,3 Шаблон:Cite web
- ↑ Шаблон:FloraBase
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ 7,0 7,1 Шаблон:FloraBase
- ↑ Шаблон:Cite web
- ↑ 9,0 9,1 9,2 Шаблон:Cite web
- ↑ 10,0 10,1 Шаблон:FloraBase
- ↑ Шаблон:Cite web
- ↑ 12,0 12,1 Шаблон:Cite book
- ↑ Шаблон:Cite web
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