Английская Википедия:Isopogon pruinosus
Шаблон:Short description Шаблон:Speciesbox
Isopogon pruinosus is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a compact, spreading shrub with narrow egg-shaped leaves with the narrower end towards the base and spherical to elliptic heads of pink flowers.
Description
Isopogon pruinosus is a shrub that typically grows to about Шаблон:Cvt high and wide, with more or less glabrous, brownish branchlets. The leaves are glaucous, arranged alternately along the branchlets, and have smooth edges. The leaves are narrow egg-shaped with the narrower end towards the base, Шаблон:Cvt long and Шаблон:Cvt wide, tapering to a petiole that expands towards its base. The flowers are arranged in sessile, spherical to elliptic heads of sixteen to thirty-two flowers, the heads Шаблон:Cvt in diameter with three to four whorls of broadly egg-shaped involucral bracts at the base. The flowers are red or pink and hairy, the hairs pressed against the surface. The fruit is a hairy nut about Шаблон:Cvt long, fused with others in a spherical head Шаблон:Cvt long in diameter.[1]
Taxonomy
Isopogon pruinosus was first formally described in 2010 by the botanists Michael Hislop and Barbara Rye in the journal Nuytsia.[1][2] In the same journal, Hislop and Rye described two subspecies and the names are accepted at the Australian Plant Census.
- Isopogon pruinosus subsp. glabellus Hislop & Rye[3] has leaves Шаблон:Cvt long and Шаблон:Cvt wide, widest above the middle or much the same width throughout. The flowers are Шаблон:Cvt long and appear in May, June or September. This subspecies mainly differs from the autonym in having involucral bract that are glabrous, or almost so.[1][4]
- Isopogon pruinosus Hislop & Rye subsp. pruinosus[5] has leaves Шаблон:Cvt long and Шаблон:Cvt wide, widest above the middle. The flowers are Шаблон:Cvt long and appear in May, July, August or September. This subspecies has densely hairy involucral bracts.[6]
The specific epithet (pruinosus) means "frosted or covered with hoar frost", and refers to the white coating that is usually present on this species. The subspecies epithet glabellus means "without hairs" and refers to the almost glabrous involucral bracts of that subspecies.[1]
Distribution and habitat
Both subspecies of Isopogon pruinosus grow in heath or mallee woodland in the Avon Wheatbelt, Esperance Plains and Mallee biogeographic regions. Subspecies glabellus occurs from Corrigin to north of Hyden and subspecies pruinosus from south-west of Hyden to Frank Hann National Park with a disjunct population in the Fitzgerald River National Park.[1][4][6]
Conservation status
Both subspecies of I. pruinosus are classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[6][7]
References
External links
- The Australasian Virtual Herbarium – Occurrence data for Isopogon pruinosus
- Google images: Isopogon pruinosus
- ↑ 1,0 1,1 1,2 1,3 1,4 Ошибка цитирования Неверный тег
<ref>; для сносокhislopне указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокAPNIне указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокAPC1не указан текст - ↑ 4,0 4,1 Ошибка цитирования Неверный тег
<ref>; для сносокFloraBaseAне указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокAPC2не указан текст - ↑ 6,0 6,1 6,2 Ошибка цитирования Неверный тег
<ref>; для сносокFloraBaseBне указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокFloraBaseне указан текст
