Grevillea insignis

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Grevillea insignis
Grevillea insignis subsp. insignis.JPG
Grevillea insignis subsp. insignis
(Royal Botanic Gardens, Cranbourne)
Grevillea insignis subsp.elliotii.jpg
Grevillea insignis subsp. elliotii
(Royal Botanic Gardens, Cranbourne)
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. insignis
Binomial name
Grevillea insignis

Grevillea insignis, commonly known as wax grevillea, [2] is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is an erect, bushy shrub with more or less oblong leaves with seven to seventeen sharply-pointed, triangular teeth, and more or less spherical or cylindrical clusters of cream-coloured flowers ageing to pink.

Contents

Description

Grevillea insignis is an erect, bushy shrub that typically grows to a height of 1–4 m (3 ft 3 in – 13 ft 1 in). Its leaves are more or less oblong, 29–90 mm (1.1–3.5 in) long and 20–40 mm (0.79–1.57 in) wide with seven to seventeen sharply-pointed triangular teeth or lobes 3–8 mm (0.12–0.31 in) long and wide. The flowers are cream-coloured, ageing to pink and are arranged in more or less spherical to cylindrical, sometimes branched clusters on a rachis 10–25 mm (0.39–0.98 in) long. The pistil is 11–20 mm (0.43–0.79 in) long, and the ovary is densely shaggy-hairy. Flowering occurs from June to December and the fruit is an oblong follicle 10–14 mm (0.39–0.55 in) long. [2] [3] [4]

Taxonomy

Grevillea insignis was first formally described in 1855 by Carl Meissner in Hooker's Journal of Botany and Kew Garden Miscellany based on material collected by James Drummond. [5] [6] The specific epithet (insignis) means "remarkable" or "distinguished". [7]

In 1993, In 1994 Peter M. Olde and Neil R. Marriott described two subspecies of G. insignis in the journal Nuytsia and the names are accepted by the Australian Plant Census: [4]

Distribution and habitat

Subspecies elliotii grows in woodland and shrubland in a restricted area east of Varley and subsp. insignis grows in mallee and heathy shrubland between Tammin, Nyabing and Tarin Rock. [9] [10] [12] [13]

Conservation status

Subspecies insignis is listed as "not threatened" [12] but subsp. elliotii is classified as "Priority Three" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions, [9] meaning that it is poorly known and known from only a few locations but is not under imminent threat. [14]

Related Research Articles

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

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

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<i>Grevillea diversifolia</i> Species of shrub in the family Proteaceae native to Western Australia

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<i>Grevillea dryandroides</i> Species of shrub in the family Proteaceae native to Western Australia

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

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

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

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

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Grevillea crowleyae is a species of flowering plant in the family Proteaceae and is endemic to a restricted area in the south-west of Western Australia. It is a dense, spreading shrub with deeply divided leaves usually with three to seven linear lobes, and grey, pale yellowish or greenish flowers with a maroon-black style.

<i>Grevillea delta</i> Species of shrub in the family Proteaceae native to Western Australia

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Grevillea dolichopoda is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a low-lying shrub with linear to more or less cylindrical leaves and groups up to four red and orange flowers with a red, green-tipped style.

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

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Grevillea uniformis is a shrub of the genus Grevillea native to a small area along the west coast in the Wheatbelt region of Western Australia.

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References

  1. "Grevillea insignis". Australian Plant Census. Retrieved 26 May 2022.
  2. 1 2 "Grevillea insignis". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. "Grevillea insignis". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 26 May 2022.
  4. 1 2 3 4 Olde, Peter M.; Marriott, Neil R. (1993). "New species and taxonomic changes in Grevillea (Proteaceae: Grevilleoideae) from south-west Western Australia". Nuytsia. 9 (2): 283–287. Retrieved 26 May 2022.
  5. "Grevillea insignis". APNI. Retrieved 26 May 2022.
  6. Meisner, Carl (1855). Hooker, William Jackson (ed.). "New Proteaceae of Australia". Hooker's Journal of Botany and Kew Garden Miscellany. 7: 76. Retrieved 26 May 2022.
  7. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 224. ISBN   9780958034180.
  8. "Grevillea insignis subsp. elliotii". Australian Plant Census. Retrieved 26 May 2022.
  9. 1 2 3 "Grevillea insignis subsp. elliotii". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  10. 1 2 "Grevillea insignis subsp. elliotii". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 26 May 2022.
  11. "Grevillea insignis subsp. insignis". Australian Plant Census. Retrieved 26 May 2022.
  12. 1 2 3 "Grevillea insignis subsp. insignis". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  13. 1 2 "Grevillea insignis". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 26 May 2022.
  14. "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 26 May 2022.