Isopogon buxifolius explained

Isopogon buxifolius is a species of plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is an upright shrub with egg-shaped to elliptic or oblong leaves and clustered spikes of pink flowers.

Description

Isopogon buxifolius is an upright shrub that typically grows to a height of and has mostly hairy reddish to brownish branchlets. The leaves are elliptic, oblong, or egg-shaped with the narrower end towards the base and long with a small point on the tip. The flowers are arranged in more or less sessile spikes up to long and surrounded by leaves. The few involucral bracts are lance-shaped, the flowers long, pink and more or less glabrous. Flowering occurs from June to December and the fruit is an oval, hairy nut, fused with others in a cup-shaped head about long.[1]

Taxonomy

Isopogon buxifolius was first formally described in 1810 by Robert Brown in the Transactions of the Linnean Society of London.[2] [3]

In 1870, George Bentham described four varieties of I. buxifolius in Flora Australiensis[4] and two of his names are accepted by the Australian Plant Census:

Bentham's I. buxifolius var. linearis and var. spathulatus are now regarded as a synonyms of I. spathulatus.[11]

Distribution and habitat

Variety buxifolius grows in swampy areas between Collie, Denmark and Albany and var. obovatus has been recorded in sandy loam over laterite in a small area between the Stirling Range, Cape Riche and Bremer Bay.

Conservation status

Variety buxifolius is classified as "Priority Two" by the Government of Western Australia Department of Parks and Wildlife, meaning that it is poorly known and from only one or a few locations and var. obovatus as "Priority Three", meaning that it is poorly known and known from only a few locations but is not under imminent threat.[12]

Notes and References

  1. Web site: Foreman . David B. . Isopogon buxifolius . Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra . 21 November 2020.
  2. Web site: Isopogon buxifolius. APNI. 21 November 2020.
  3. Brown . Robert . On the Proteaceae of Jussieu. . Transactions of the Linnean Society of London . 1810 . 10 . 1 . 73 . 21 November 2020.
  4. Book: Bentham . George . von Mueller . Ferdinand . Flora Australiensis . 1870 . 5 . Lovell Reeve & Co. . London . 341 . 21 November 2020.
  5. Web site: Isopogon buxifolius var. buxifolius. Australian Plant Census. 22 November 2020.
  6. Web site: Foreman . David B. . Isopogon buxifolius var. obovatus . Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra . 21 November 2020.
  7. Web site: Isopogon buxifolius var. obovatus. Australian Plant Census. 21 November 2020.
  8. Web site: Isopogon spathulatus var. obovatus. APNI. 21 November 2020.
  9. Book: Brown . Robert . Proteaceas Novas. Supplementum primum prodromi florae Novae Hollandiae . 1830 . Typis R. Taylor,1830 . London . 8–9 . 21 November 2020.
  10. Web site: Foreman . David B. . Isopogon buxifolius var. obovatus . Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra . 21 November 2020.
  11. Web site: Isopogon spathulatus. Australian Plant Census. 22 November 2020.
  12. Web site: Conservation codes for Western Australian Flora and Fauna. Government of Western Australia Department of Parks and Wildlife. 22 November 2020.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Isopogon buxifolius".

Except where otherwise indicated, Everything.Explained.Today is © Copyright 2009-2024, A B Cryer, All Rights Reserved. Cookie policy.