Grevillea acerata

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Grevillea acerata
Grevillea acerata HRBG 1 orig.jpg
In Hunter Region Botanic Gardens
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. acerata
Binomial name
Grevillea acerata
In the Gibraltar Range National Park Grevillea acerata.jpg
In the Gibraltar Range National Park

Grevillea acerata, is a plant in the family Proteaceae and which is endemic to New South Wales. It is a spreading shrub with more or less linear leaves and groups of woolly cream-coloured to grey flowers in groups on the ends of the branches. It is similar to Grevillea sphacelata and is only known from the Gibraltar Range National Park and nearby Glen Elgin.

Contents

Description

Grevillea acerata is a spreading shrub which grows to a height of 0.6–1.3 m (2–4 ft) and has more or less linear leaves which are 10–30 mm (0.4–1 in) long and 1–2 m (3–7 ft) wide. The edges of the leaves are rolled under and partly or completely cover the lower surface which is covered with silky to woolly hairs. The flowers are arranged in more or less spherical groups 10–20 mm (0.4–0.8 in) in diameter on the ends of branches. The tepals are covered with woolly hairs which are grey to cream-coloured and rusty-coloured near the base of the flower. The pistil is 9–12 mm (0.4–0.5 in) long and hairy. Flowering occurs in spring and sporadically throughout the rest of the year. The fruit that follows is a hairy, oval-shaped, wrinkled follicle long. [3] [4]

This grevillea is similar to both G. sphacelata and G. buxifolia . [4]

Taxonomy and naming

Grevillea acerata was first formally described in 1986 by Donald McGillivray from a specimen collected in the Gibraltar Range National Park in 1973. The description was published in McGillivray's book "New Names in Grevillea (Proteaceae)". [5] The specific epithet (acerata) is a Latin word meaning "mingled with chaff". [6]

Distribution and habitat

This grevillea grows in woodland, forest and heath in soils derived from granite. It is only known from the Gibraltar Range National Park and nearby Glen Elgin in the Northern Tablelands of New South Wales. [3] [4] [1]

Conservation status

Grevillea acerata is listed as "Least Concern" on the IUCN Red List of Threatened Species. Despite its limited range, there are no major threats within Gibraltar Range National Park and its population is presumed to be stable. However, it is likely that inappropriate fire regimes pose a minor threat to the species. [1]

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

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<i>Grevillea brachystachya</i> Species of shrub in the family Proteaceae from Western Australia

Grevillea brachystachya, commonly known as short-spiked grevillea, is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a bushy shrub with linear leaves and more or less spherical clusters of cream-coloured to greenish flowers.

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

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Grevillea dunlopii is a species of flowering plant in the family Proteaceae and is endemic to the northern part of the Northern Territory. It is a spreading shrub with divided leaves with nine to seventeen spreading lobes, and pale cream-coloured to white flowers.

<i>Grevillea sphacelata</i> Species of plant in the Proteaceae family

Grevillea sphacelata, also known as the grey spider flower, is a species of flowering plant in the family Proteaceae and is endemic to the eastern New South Wales. It is a spreading or erect shrub with narrowly linear to oblong leaves and clusters of hairy, pale brown and pink flowers.

References

  1. 1 2 3 Makinson, R.; Olde, P. (2020). "Grevillea acerata". IUCN Red List of Threatened Species . 2020: e.T112645580A113309165. doi: 10.2305/IUCN.UK.2020-2.RLTS.T112645580A113309165.en . Retrieved 20 December 2023.
  2. "Grevillea acerata". Australian Plant Census. Retrieved 24 October 2021.
  3. 1 2 Makinson, Bob. "Grevillea acerata". Royal Botanic Garden Sydney. Retrieved 30 January 2018.
  4. 1 2 3 "Grevillea acerata". Australian Biological Resources Study, Department of Agriculture, Water and the Environment. Retrieved 1 February 2022.
  5. "Grevillea acerata". APNI. Retrieved 30 January 2018.
  6. Lewis, Charlton T.; Short, Charles (1879). A Latin dictionary. Oxford University Press. Retrieved 30 January 2018.