Isopogon baxteri

Isopogon baxteri, commonly known as the Stirling Range coneflower,[2] 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.

Stirling Range coneflower
Isopogon baxteri in the Stirling Range
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Isopogon
Species:
I. baxteri
Binomial name
Isopogon baxteri
Occurrence data from Australasian Virtual Herbarium
Synonyms[1]

Atylus baxteri (R.Br.) Kuntze

Description

Isopogon baxteri is an erect shrub that typically grows to a height of 0.2–1.5 m (7.9 in – 4 ft 11.1 in) and has hairy reddish to brown branchlets. The leaves are wedge-shaped, often 3-lobed, 20–45 mm (0.79–1.77 in) long with twelve to fourteen sharply-pointed teeth. The flowers are arranged in sessile, flattened-spherical heads 30–35 mm (1.2–1.4 in) in diameter with hairy, egg-shaped involucral bracts at the base. The flowers are about 35 mm (1.4 in) long, pink and covered with greyish hairs. Flowering occurs from August to January and the fruit is a hairy nut, fused with others in an elliptical to spherical head up to 22 mm (0.87 in) in diameter.[2][3]

Taxonomy

Isopogon baxteri was first formally described in 1830 by Robert Brown in the Supplementum to his Prodromus Florae Novae Hollandiae et Insulae Van Diemen from specimens collected in 1823 near the King George's Sound, by William Baxter.[4][5]

Distribution and habitat

This isopogon grows in heath or shrubland in the Stirling Range and near Mount Barker in the south-west of Western Australia.[2][3]

Conservation status

Isopogon baxteri is classified as "not threatened" by the Government of Western Australia Department of Parks and Wildlife.[2]

References
  1. "Isopogon baxteri". Australian Plant Census. Retrieved 21 November 2020.
  2. "Isopogon baxteri". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. Foreman, David B. "Isopogon baxteri". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 21 November 2020.
  4. "Isopogon baxteri". APNI. Retrieved 21 November 2020.
  5. Brown, Robert (1830). Supplementum primum prodromi florae Novae Hollandiae. London. p. 9. Retrieved 21 November 2020.
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