Isopogon buxifolius

Last updated

Isopogon buxifolius
Isopogon buxifolius.jpg
Subspecies obovatus in the ANBG
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Isopogon
Species:
I. buxifolius
Binomial name
Isopogon buxifolius
Isopogon buxifoliusDistMap9.png
Occurrence data from Australasian Virtual Herbarium
Synonyms [1]
  • Atylus buxifolius(R.Br.) Kuntze
  • Isopogon buxifolius var. typicus Benth.

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.

Contents

Description

Isopogon buxifolius is an upright shrub that typically grows to a height of 0.3–1.7 m (1 ft 0 in – 5 ft 7 in) and has mostly hairy reddish to brownish branchlets. The leaves are egg-shaped, elliptic, oblong, or egg-shaped with the narrower end towards the base and 8–35 mm (0.31–1.38 in) long with a small point on the tip. The flowers are arranged in more or less sessile spikes up to 20 mm (0.79 in) long and surrounded by leaves. The few involucral bracts are lance-shaped, the flowers 10–15 mm (0.39–0.59 in) 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 10 mm (0.39 in) long. [2] [3]

Taxonomy

Isopogon buxifolius was first formally described in 1810 by Robert Brown in the Transactions of the Linnean Society of London . [4] [5]

In 1870, George Bentham described four varieties of I. buxifolius in Flora Australiensis [6] 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 . [15]

Distribution and habitat

Variety buxifolius grows in swampy areas between Collie, Denmark and Albany [8] [9] and var. obovatus has been recorded in sandy loam over laterite in a small area between the Stirling Range, Cape Riche and Bremer Bay. [13] [14]

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 [9] 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. [14] [16]

Related Research Articles

<i>Isopogon</i> Genus of flowering plants

Isopogon, commonly known as conesticks, conebushes or coneflowers, is a genus of about forty species of flowering plants in the family Proteaceae, and are endemic to Australia. They are shrubs with rigid leaves, bisexual flowers in a dense spike or "cone" and the fruit is a small, hairy nut.

<i>Isopogon formosus</i> Species of shrub endemic to areas in Western Australia

Isopogon formosus, commonly known as rose coneflower, is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a shrub with divided leaves with cylindrical segments, and spherical to oval heads of pink or red flowers.

<i>Isopogon cuneatus</i> Species of shrub endemic to an area around Albany in Western Australia

Isopogon cuneatus, commonly known as coneflower, is a species of plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a shrub with oblong to egg-shaped leaves with the narrower end towards the base, and flattened-spherical heads of glabrous pale to purplish pink flowers.

<i>Banksia armata</i> Species of shrub in the family Proteaceae endemic to Western Australia

Banksia armata, commonly known as prickly dryandra, is a species of often sprawling shrub that is endemic to Western Australia. It has deeply serrated leaves with sharply pointed lobes and spikes of about 45 to 70 yellow flowers.

<i>Isopogon sphaerocephalus</i> Species of shrub endemic to the southwest part of Western Australia

Isopogon sphaerocephalus, commonly known as drumstick isopogon or Lesueur isopogon, is a species of plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a shrub with linear to narrow egg-shaped leaves and spherical heads of hairy white to creamy yellow flowers.

<i>Isopogon attenuatus</i> Species of shrub endemic to the southwest of Western Australia

Isopogon attenuatus is a species of plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a shrub with oblong to spatula-shaped or linear leaves and spherical heads of yellow flowers.

<i>Isopogon baxteri</i> Species of shrub endemic to the southwest of Western Australia

Isopogon baxteri, commonly known as the Stirling Range coneflower, is a species of plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is an erect shrub with wedge-shaped, often 3-lobed, toothed leaves and flattened spherical heads of hairy pink flowers.

<i>Isopogon divergens</i> Species of shrub endemic to the southwest of Western Australia

Isopogon divergens, commonly known as spreading coneflower, is a species of plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a shrub with pinnate leaves and more or less spherical heads of glabrous pink flowers followed by an oval to cylindrical fruiting cone.

<i>Isopogon teretifolius</i> Species of shrub of the family Proteaceae endemic to the southwest of Western Australia

Isopogon teretifolius, commonly known as nodding coneflower, is a species of flowering plant in the family Proteaceae and is endemic to the southwest of Western Australia It is an erect shrub with cylindrical, sometimes branched leaves, and flattened-spherical heads of hairy pinkish flowers.

<i>Isopogon spathulatus</i> Species of shrub of the family Proteaceae endemic to the southwest of Western Australia

Isopogon spathulatus is a species of flowering plant in the family Proteaceae and is endemic to south-western Western Australia. It is a shrub with linear to egg-shaped leaves with the narrower end towards the base, and more or less spherical heads of hairy pink flowers.

<i>Isopogon polycephalus</i> Species of shrub of the family Proteaceae endemic to southern Western Australia

Isopogon polycephalus, commonly known as clustered coneflower, is a species of plant in the family Proteaceae and is endemic to the South coast of Western Australia. It is a spreading shrub with linear to lance-shaped leaves with the narrower end towards the base, and clusters of more or less spherical heads of white, cream-coloured or yellow flowers.

<i>Grevillea eryngioides</i> Species of shrub in the family Proteaceae endemic to Western Australia

Grevillea eryngioides, commonly called curly grevillea, is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is shrub with low clumping foliage with erect flowering spikes, divided leaves with oblong to egg-shaped lobes, and groups of purplish-red flowers with a yellow style.

<i>Isopogon crithmifolius</i> Species of shrub of the family Proteaceae endemic to the southwest of Western Australia

Isopogon crithmifolius is a species of plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a shrub with divided leaves and more or less spherical heads of glabrous reddish pink flowers.

<i>Isopogon scabriusculus</i> Species of shrub in the family Proteaceae that is endemic to southwestern Western Australia

Isopogon scabriusculus is a species of flowering plant in the family Proteaceae and is endemic to southwestern Western Australia. It is a shrub with cylindrical, or narrow flat, sometimes forked leaves, and spherical to oval heads of pink or red flowers.

<i>Isopogon tridens</i> Species of shrub in the family Proteaceae endemic to southwestern Western Australia

Isopogon tridens, commonly known as the three-toothed coneflower, is a species of flowering plant in the family Proteaceae and is endemic to the southwest of Western Australia. It is a shrub with wedge-shaped leaves with two or three sharply-pointed teeth, and flattened-spherical heads of glabrous creamy white, sometimes purple flowers.

<i>Asterolasia grandiflora</i> Species of flowering plant

Asterolasia grandiflora is a species of weak, open shrub or sub-shrub that is endemic to the southwest of Western Australia. It has oblong, elliptical or egg-shaped leaves and pink to mauve flowers arranged in umbels of about three flowers with a thick covering of star-shaped hairs on the back of the petals.

Diplolaena drummondii is an endemic Australian flowering plant in the family Rutaceae. It is only found in Western Australia. It is a small, spreading shrub with oblong to elliptic papery, thin leaves, and yellow, orange or reddish flowers which bloom between July and November.

<i>Isopogon inconspicuus</i> Species of shrub

Isopogon inconspicuus is a plant in the family Proteaceae and is endemic to the southwest of Western Australia. It is a small shrub with pinnate leaves with cylindrical leaflets, and pink to purple flowers covered with grey hairs.

<i>Goodenia sepalosa</i> Species of plant

Goodenia sepalosa is a species of flowering plant in the family Goodeniaceae and is endemic to northern Australia. It is a prostrate to ascending herb with narrow oblong to lance-shaped leaves, the narrower end towards the base, and racemes of yellow flowers.

<i>Pimelea rara</i> Species of flowering plant

Pimelea rara, commonly known as summertime pimelea, is a species of flowering plant in the family Thymelaeaceae and is endemic to the southwest of Western Australia. It is a shrub with elliptic or egg-shaped leaves, the narrower end towards the base, and heads of white flowers surrounded by 4 broadly egg-shaped involucral bracts.

References

  1. 1 2 "Isopogon buxifolius". Australian Plant Census. Retrieved 21 November 2020.
  2. Foreman, David B. "Isopogon buxifolius". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 21 November 2020.
  3. "Isopogon buxifolius". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. "Isopogon buxifolius". APNI. Retrieved 21 November 2020.
  5. Brown, Robert (1810). "On the Proteaceae of Jussieu". Transactions of the Linnean Society of London. 10 (1): 73. Retrieved 21 November 2020.
  6. Bentham, George; von Mueller, Ferdinand (1870). Flora Australiensis. Vol. 5. London: Lovell Reeve & Co. p. 341. Retrieved 21 November 2020.
  7. "Isopogon buxifolius var. buxifolius". Australian Plant Census. Retrieved 22 November 2020.
  8. 1 2 Foreman, David B. "Isopogon buxifolius var. obovatus". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 21 November 2020.
  9. 1 2 3 "Isopogon buxifolius var. buxifolius". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  10. "Isopogon buxifolius var. obovatus". Australian Plant Census. Retrieved 21 November 2020.
  11. "Isopogon spathulatus var. obovatus". APNI. Retrieved 21 November 2020.
  12. Brown, Robert (1830). Proteaceas Novas. Supplementum primum prodromi florae Novae Hollandiae. London: Typis R. Taylor,1830. pp. 8–9. Retrieved 21 November 2020.
  13. 1 2 Foreman, David B. "Isopogon buxifolius var. obovatus". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 21 November 2020.
  14. 1 2 3 "Isopogon buxifolius var. obovatus". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  15. "Isopogon spathulatus". Australian Plant Census. Retrieved 22 November 2020.
  16. "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 22 November 2020.