Grevillea arenaria

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Grevillea arenaria
Grevillea arenaria subsp. canescens.jpg
Subspecies canescens
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. arenaria
Binomial name
Grevillea arenaria
Subspecies
  • Grevillea arenariaR.Br. subsp. arenaria
  • Grevillea arenaria subsp. canescens(R.Br.) Olde & Marriott
Synonyms [2]

Embothrium arenarium(R.Br.) Dum.Cours.

Grevillea arenaria , commonly known as sand grevillea [3] or hoary grevillea, [4] is a species of flowering plant in the family Proteaceae and is endemic to New South Wales. It is a spreading shrub with elliptic to egg-shaped leaves with the narrower end towards the base, and red, pink or orange flowers.

Contents

Description

Grevillea arenaria is an erect to spreading shrub that grows to a height of 0.3–4 m (1 ft 0 in – 13 ft 1 in). The leaves are elliptic to egg-shaped with the narrower end towards the base, 15–75 mm (0.59–2.95 in) long and 3–15 mm (0.12–0.59 in) wide with the edges turned down or rolled under. The flowers are arranged in groups of two to six on the ends of short side branches along a rachis 1–10 mm (0.039–0.394 in) long, and are red, pink or orange and hairy. The pistil is 24–32 mm (0.94–1.26 in) long and the ovary is sessile. Flowers are present in most months with a peak in spring. [5] [6]

Taxonomy

Grevillea arenaria was first formally described in 1810 by Robert Brown in Transactions of the Linnean Society of London from specimens collected near Port Jackson. [7] [8]

The names of two subspecies are accepted by the Australian Plant Census:

Distribution and habitat

This grevillea grows in open forest, often in rocky places, near creeks or cliffs in south-eastern New South Wales. Subspecies arenaria mostly occurs on the eastern side of the Great Dividing Range and nearby ranges from Richmond to the Deua River and subspecies canescens is mostly found on the drier, western side of the ranges, from Tamworth and Gilgandra to Bathurst and western parts of the Blue Mountains. [5] [10] [12]

Conservation status

Grevillea arenaria is listed as "Least Concern" on the IUCN Red List of Threatened Species. It is widely distributed and its population is presumed stable, or in minor decline. There are currently some localised threats to this species, but none that would significantly affect its population. [1]

Related Research Articles

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<i>Grevillea rhyolitica</i> Species of shrub in the family Proteaceae endemic to New South Wales, Australia

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<i>Grevillea laurifolia</i> Species of shrub in the family Proteaceae endemic to eastern Australia

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<i>Grevillea irrasa</i> Species of shrub in the family Proteaceae endemic to New South Wales, Australia

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<i>Grevillea oxyantha</i> Species of shrub in the family Proteaceae endemic to New South Wales, Australia

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<i>Grevillea neurophylla</i> Species of shrub in the family Proteaceae endemic to Victoria, Australia

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<i>Grevillea juncifolia</i> Species of shrub or tree in the family Proteaceae endemic to inland Australia

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<i>Grevillea ramosissima</i> Species of shrub in the family Proteaceae endemic to south-eastern Australia

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

Grevillea humilis is a species of flowering plant in the family Proteaceae and is endemic to eastern New South Wales. It is an erect to spreading shrub with narrowly elliptic to more or less linear leaves, and pink or white flowers.

<i>Grevillea amplexans</i> Species of shrub in the family Proteaceae endemic to the Mid West region of Western Australia

Grevillea amplexans is a species of flowering plant in the family Proteaceae and is endemic to the Mid West region of Western Australia. It is a spreading shrub with arching branches, stem-clasping, sharply-pointed, lobed or toothed leaves and white to cream-coloured flowers.

References

  1. 1 2 Makinson, R.; Olde, P. (2020). "Grevillea arenaria". IUCN Red List of Threatened Species . 2020: e.T112646078A113309190. doi: 10.2305/IUCN.UK.2020-2.RLTS.T112646078A113309190.en . Retrieved 20 December 2023.
  2. 1 2 "Grevillea arenaria". Australian Plant Census. Retrieved 27 November 2021.
  3. 1 2 Makinson, Robert O. "Grevillea arenaria subsp. arenaria". Royal Botanic Garden Sydney. Retrieved 27 November 2021.
  4. 1 2 Makinson, Robert O. "Grevillea arenaria subsp. canescens". Royal Botanic Garden Sydney. Retrieved 27 November 2021.
  5. 1 2 3 4 Makinson, Robert O. "Grevillea arenaria". Royal Botanic Garden Sydney. Retrieved 27 November 2021.
  6. "Grevillea arenaria". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 27 November 2021.
  7. "Grevillea arenaria". APNI. Retrieved 27 November 2020.
  8. Brown, Robert (1810). "On the Proteaceae of Jussieu". Transactions of the Linnean Society of London. 10 (1): 172. Retrieved 27 November 2021.
  9. "Grevillea arenaria subsp. arenaria". Australian Plant Census. Retrieved 27 November 2021.
  10. 1 2 "Grevillea arenaria subsp. arenaria". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 27 November 2021.
  11. "Grevillea arenaria subsp. canescens". Australian Plant Census. Retrieved 27 November 2021.
  12. 1 2 "Grevillea arenaria subsp. canescens". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 27 November 2021.