Grevillea triternata

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Grevillea triternata
Grevillea triternata.jpg
In the Pilliga Scrub
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. triternata
Binomial name
Grevillea triternata
Synonyms [1]

Grevillea triternata is species of flowering plant in the family Proteaceae and is endemic to New South Wales. It is a dense, compact shrub with divided leaves, the end lobes sharply pointed, linear to narrowly triangular, and cylindrical clusters of white flowers with a cream-coloured to pale yellow style.

Contents

Description

Grevillea triternata is a dense, compact shrub that typically grows to a height of 0.2–1 m (7.9 in – 3 ft 3.4 in). Its leaves are divided, 30–105 mm (1.2–4.1 in) long, with 3 to 5 spreading lobes that are usually divided again, the end lobes sharply pointed, linear to narrowly triangular, 7–47 mm (0.28–1.85 in) long and 0.8–2.8 mm (0.031–0.110 in) wide. The edges of the leaves are usually rolled under, concealing most of the lower surface. The flowers are arranged cylindrical or narrowly conical clusters on a rachis 10–28 mm (0.39–1.10 in) long, the flowers nearer the base of the rachis flowering first. The flowers are white with a cream-coloured to pale yellow style, the pistil 3.8–5.0 mm (0.15–0.20 in) long. Flowering occurs from August to December, and the fruit is a silky-hairy follicle 6.5–9.5 mm (0.26–0.37 in) long. [2] [3] [4]

Taxonomy

Grevillea triternata was first formally described in 1830 by Robert Brown in Supplementum primum Prodromi florae Novae Hollandiae from specimens collected on mountains near Port Jackson. [5] [6] The specific epithet (triternata) means "divided into three parts", referring to the leaves. [4]

Distribution and habitat

This grevillea grows in forest and woodland in sandy soil in scattered populations in New South Wales, from the upper Hunter River and Bathurst to Coonabarabran and the Pilliga Scrub as well as on the Northern Tablelands. [2] [3]

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References

  1. 1 2 "Grevillea triternata". Australian Plant Census. Retrieved 29 March 2023.
  2. 1 2 "Grevillea triternata". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 30 March 2023.
  3. 1 2 Makinson, Robert O. "Grevillea triternata". Royal Botanic Garden Sydney. Retrieved 29 March 2023.
  4. 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. p. 344. ISBN   0207172773.
  5. "Grevillea triternata". APNI. Retrieved 29 March 2023.
  6. Brown, Robert (1830). Supplementum primum prodromi florae Novae Hollandiae. London. p. 21. Retrieved 29 March 2023.

See also