Английская Википедия:Eucalyptus horistes
Шаблон:Short description Шаблон:Use dmy dates Шаблон:Speciesbox
Eucalyptus horistes is a species of mallee or small tree that is endemic to Western Australia. It has smooth greyish bark, often with rough, firm fibrous bark on the base or all of the trunk, lance-shaped to elliptic adult leaves, flower buds in groups of between seven and thirteen, creamy white flowers and short cylindrical to shortened spherical fruit.
Description
Eucalyptus horistes is a mallee or small tree that typically grows to a height of Шаблон:Cvt and forms a lignotuber. It has smooth greyish bark, often with rough, firm fibrous bark on the base or all of the trunk. Young plants and coppice regrowth have sessile, heart-shaped, more or less round or elliptic leaves Шаблон:Cvt long and Шаблон:Cvt wide. Adult leaves are glossy green, narrow lance-shaped to elliptic, Шаблон:Cvt long and Шаблон:Cvt wide on a petiole Шаблон:Cvt long. The flower buds are arranged in leaf axils in groups of seven, nine, eleven or thirteen on an unbranched peduncle Шаблон:Cvt long, the individual buds on pedicels Шаблон:Cvt long. Mature buds are oval to spindle-shaped, Шаблон:Cvt long and Шаблон:Cvt wide with a beaked operculum. Flowering occurs from November to December or January and the flowers are creamy white. The fruit is a woody, short cylindrical to shortened spherical capsule Шаблон:Cvt long and Шаблон:Cvt wide with the valves near rim level.[1][2][3][4]
Taxonomy and naming
Eucalyptus horistes was first formally described in 1988 by Lawrie Johnson and Ken Hill from a specimen collected near Binnu and the description was published in Flora of Australia.[5] The specific epithet (horistes) is an ancient Greek word meaning "one who marks boundaries", referring the distribution of this species at the northern limit of the South-west Botanical Province.[1][6]
Distribution and habitat
This eucalypt grows in mallee shrubland in sandy-loam soils over laterite on sand plains, sand dunes and road verges from areas in the Mid West, extending through the Wheatbelt and into the Great Southern and Goldfields-Esperance regions of Western Australia.[2][4]
Conservation status
Eucalyptus horistes is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[4]
See also
References
Шаблон:Reflist Шаблон:Taxonbar
- ↑ 1,0 1,1 Шаблон:Cite web
- ↑ 2,0 2,1 Шаблон:Cite web
- ↑ Byrne, M., "High genetic identities between three oil mallee taxa, Eucalyptus kochii ssp. kochii, ssp. plenissima and E. horistes, based on nuclear RFLP analysis", Heredity, 1999, 82, pp205–211 [1]
- ↑ 4,0 4,1 4,2 Шаблон:FloraBase
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite book
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