Grevillea tetrapleura

Grevillea tetrapleura is species of flowering plant in the family Proteaceae and is endemic to southern inland Western Australia. It is a low, dense, spreading shrub with rigid, sharply pointed linear leaves, and loose clusters of pinkish-red flowers.

Grevillea tetrapleura
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. tetrapleura
Binomial name
Grevillea tetrapleura

Description

Grevillea tetrapleura is a low, dense, spreading shrub that typically grows to a height of 10–90 cm (3.9–35.4 in). Its leaves are linear, 10–60 mm (0.39–2.36 in) long, 0.9–1.1 mm (0.035–0.043 in) wide, rigid and sharply pointed. The edges of the leaves are rolled under, enclosing the lower surface apart from the midvein and there are 4 longitudinal ridges on the upper surface. The flowers are borne in leaf axils in loose clusters of up to 4 on a rachis 0.5–1 mm (0.020–0.039 in) long. The flowers are pinkish-red, the pistil 16.5–20.5 mm (0.65–0.81 in) long. Flowering occurs from July to September and the fruit is an elliptic to oval follicle 8–11 mm (0.31–0.43 in) long.[2][3][4]

Taxonomy

Grevillea tetrapleura was first formally described by the botanist Donald McGillivray in 1986 his book, New Names in Grevillea (Proteaceae), from specimens he collected with Alex George near Yellowdine in 1976.[5] The specific epithet (tetrapleura) means "four-ribbed".[3][6]

Distribution

This grevillea grows in sandy soil over granite and near granite outcrops between Yellowdine, Bullfinch and Mount Jackson in the Avon Wheatbelt and Coolgardie bioregions of southern inland Western Australia.[2][4]

See also

References
  1. "Grevillea tetrapleura". Australian Plant Census. Retrieved 21 March 2023.
  2. "Grevillea tetrapleura". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 21 March 2023.
  3. 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. p. 340. ISBN 0207172773.
  4. "Grevillea tetrapleura". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  5. "Grevillea tetrapleura". APNI. Retrieved 21 March 2023.
  6. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 323. ISBN 9780958034180.
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