Grevillea dryandri

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Grevillea dryandri
Grevillea dryandri.jpg
Subsp. dryandri west of Normanton
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. dryandri
Binomial name
Grevillea dryandri
Synonyms [2]
  • Grevillea callipteris Meisn. nom. inval., nom. nud.
  • Grevillea callipterisMeisn.
  • Grevillea rigens A.Cunn. ex R.Br.
Subsp. dasycarpa at Darwin Airport Subspecies dasycarpa.jpg
Subsp. dasycarpa at Darwin Airport

Grevillea dryandri is a species of flowering plant in the family Proteaceae and is endemic to northern Australia. It is a spreading to erect shrub with divided leaves with up to seventy or more linear to narrowly elliptic leaves, and long clusters of red, orange-red, pink or white flowers.

Contents

Description

Grevillea dryandri is a spreading to erect shrub that typically grows to a height of 0.3–2 cm (0.12–0.79 in). It has divided leaves 40–280 mm (1.6–11.0 in) long with mostly ten to sixty linear to narrowly lance-shaped lobes 40–210 mm (1.6–8.3 in) long and 0.7–3 mm (0.028–0.118 in) wide with the edges turned down or rolled under. The lower surface of the leaflets is silky-hairy. The flowers are arranged in clusters, the rachis 100–600 mm (3.9–23.6 in) long, each flower on a pedicel 4.5–10 mm (0.18–0.39 in) long. The flowers are red, orange-red, pink or white, the pistil 41–50 mm (1.6–2.0 in) long. Flowering time depends on subspecies and the fruit is a thin-walled follicle 7.5–15 mm (0.30–0.59 in) long. [3] [4]

Taxonomy

Grevillea dryandri was first formally described in 1810 by Robert Brown in the Transactions of the Linnean Society of London from specimens collected in Arnhem Land. [5] [6] The specific epithet (dryandri) honours Jonas Carlsson Dryander. [7]

In 1986, Donald McGillivray described two subspecies of G. dryandri and the names are accepted by the Australian Plant Census:

Distribution and habitat

Subspecies dasycarpa grows in shrubby woodland on sandstone between Mataranka, Daly River and the Gove Peninsula in the northern part of the Northern Territory. [9] [10] Subspecies dryandri grows in open woodland or open shrubland, often in rocky places, from the Kimberley region of Western Australia, to the Northern Territory north of about Tennant Creek and to northern parts of Queensland, mainly as far as Mount Isa and Normanton.

Conservation status

Grevillea dryandri is listed as Least Concern on the IUCN Red List of Threatened Species, due to it being a widely distributed, locally common species with no major threats affecting its population. [1] Both subspecies of G. dryandri are listed as of "least concern" under the Northern Territory Government Territory Parks and Wildlife Conservation Act . [10] [13]

Related Research Articles

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

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

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

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

Grevillea neodissecta is a species of flowering plant in the family Proteaceae and is endemic to Western Australia. It is low, dense shrub with deeply divided leaves, the end lobes linear and sharply pointed, and small clusters of rose pink and white to cream-coloured flowers with a pinkish-red style.

References

  1. 1 2 Forster, P.; Ford, A. (2020). "Grevillea dryandri". IUCN Red List of Threatened Species . 2020: e.T113015954A113309330. doi: 10.2305/IUCN.UK.2020-2.RLTS.T113015954A113309330.en . Retrieved 29 December 2023.
  2. 1 2 "Grevillea dryandri". Australian Plant Census. Retrieved 2 April 2022.
  3. "Grevillea dryandri". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 2 April 2022.
  4. "Grevillea dryandri". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  5. "Grevillea dryandri". APNI. Retrieved 2 April 2022.
  6. Brown, Robert (1810). "On the Proteaceae of Jussieu". Transactions of the Linnean Society of London. 10 (1): 175. Retrieved 2 April 2022.
  7. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 187. ISBN   9780958034180.
  8. "Grevillea dryandri subsp. dasycarpa". Australian Plant Census. Retrieved 2 April 2022.
  9. 1 2 "Grevillea dryandri subsp. dasycarpa". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 2 April 2022.
  10. 1 2 3 "Grevillea dryandri subsp. dasycarpa". Northern Territory Government. Retrieved 3 April 2022.
  11. "Grevillea dryandri subsp. dryandri". Australian Plant Census. Retrieved 2 April 2022.
  12. "Grevillea dryandri subsp. dryandri". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 2 April 2022.
  13. 1 2 "Grevillea dryandri subsp. dryandri". Northern Territory Government. Retrieved 3 April 2022.
  14. "Grevillea dryandri subsp. dryandri". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.