Grevillea rosieri

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Grevillea rosieri
Grevillea rosieri.jpg
Status DECF P2.svg
Priority Two — Poorly Known Taxa (DEC)
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. rosieri
Binomial name
Grevillea rosieri

Grevillea rosieri is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a low spreading to erect shrub with linear leaves, the edges rolled under, and small groups of red to rusty red flowers, the style sometimes cream-coloured.

Contents

Description

Grevillea rosieri is a spreading to erect shrub that typically grows to a height of up to 50 cm (20 in). Its leaves are linear, 10–40 mm (0.39–1.57 in) long and 0.8–1.5 mm (0.031–0.059 in) wide with the edges rolled under, concealing the lower surface. The flowers are arranged singly in leaf axils, or in groups of up to 3, on a woolly-hairy rachis 0.2–0.5 mm (0.0079–0.0197 in) long. The flowers are red to rusty red, the style occasionally cream-coloured with a red tip, the pistil 17.5–19 mm (0.69–0.75 in) long. Flowering occurs from July to September, and the fruit is a hairy, elliptic follicle 6–10 mm (0.24–0.39 in) long. [2] [3]

Taxonomy

Grevillea rosieri was first formally described in 1986 by Donald McGillivray in his book "New Names in Grevillea (Proteaceae)" from specimens collected in 1951. [4] The specific epithet (rosier) honours S.B. Rosier, an Anglican minister who discovered the species. [3]

Distribution and habitat

This grevillea grows in shrubland from near Wubin to near Kirwan Nature Reserve (near Burakin) in the Avon Wheatbelt, Swan Coastal Plain and Yalgoo bioregions of south-western Western Australia. [2] [5]

Conservation status

Grevillea rosieri is listed as "Priority Two" by the Western Australian Government Department of Biodiversity, Conservation and Attractions, [5] meaning that it is poorly known and from only one or a few locations. [6]

See also

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References

  1. "Grevillea rosieri". Australian Plant Census. Retrieved 30 December 2022.
  2. 1 2 "Grevillea rosieri". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 30 December 2022.
  3. 1 2 Wrigley, John W.; Fagg, Murray A. (1991). Banksias, waratahs & grevilleas : and all other plants in the Australian Proteaceae family. North Ryde, NSW, Australia: Angus & Robertson. pp. 321–322. ISBN   0207172773.
  4. "Grevillea rosieri". APNI. Retrieved 30 December 2022.
  5. 1 2 "Grevillea rosieri". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  6. "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 30 December 2022.