Grevillea erectiloba

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Grevillea erectiloba
Grevillea erectiloba.jpg
In Maranoa Gardens
Status DECF P4.svg
Priority Four — Rare Taxa (DEC) [2]
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. erectiloba
Binomial name
Grevillea erectiloba

Grevillea erectiloba is a species of flowering plant in the family Proteaceae and is endemic to inland areas of south-west of Western Australia. It is dense, rounded shrub with divided leaves with up to fifteen linear lobes, and groups of bright red flowers that are green in the bud stage.

Contents

Description

Grevillea erectiloba is a dense, rounded shrub that typically grows to a height of 1–3 mm (0.039–0.118 in). Its leaves are 50–120 mm (2.0–4.7 in) long and deeply divided with five to fifteen erect, linear lobes 30–75 mm (1.2–3.0 in) long and 0.6–0.9 mm (0.024–0.035 in) wide with two longitudinal grooves near the edges. The flowers are arranged in groups of four to ten on a rachis 2–8 mm (0.079–0.315 in) long and are bright green in the bud stage, turning red as the flowers open, the pistil 25.5–35 mm (1.00–1.38 in) long. Flowering occurs from September to November and the fruit is an elliptic follicle 8–11 mm (0.31–0.43 in) long. [4] [2]

Taxonomy

Grevillea erectiloba was first formally described in 1876 by Ferdinand von Mueller in Fragmenta Phytographiae Australiae , based on plant material collected between Mount Jackson and Ullaring by Jess Young. [5] [6] The specific epithet (erectiloba) means "upright-lobed". [7]

Distribution and habitat

This grevillea grows in semi-arid shrubland between Mount Jackson and Lake Barlee in the Coolgardie and Murchison biogeographic regions of inland south-western Western Australia. [4] [2]

Conservation status

Grevillea erectiloba is listed as Vulnerable on the IUCN Red List of Threatened Species, as the population is estimated to consist of fewer than 1,000 mature individuals. However, its population is believed to be stable within its small range and it can be locally common. There are no known threats currently affecting this species, though there is the potential future threat of habitat destruction and species mortality through mining, which occurred in the past near Mt. Jackson. This mine is currently no longer in operation. Though the species does not currently occur within any protected areas, there is a proposal for a national park that would encompass much of the species' distribution. [1]

It is also classified as "Priority Four" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions, [2] meaning that it is rare or near threatened. [8]

Related Research Articles

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

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

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

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

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

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

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

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

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

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

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<i>Lechenaultia superba</i> Species of shrub

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References

  1. 1 2 Keighery, G.; Olde, P. (2020). "Grevillea erectiloba". IUCN Red List of Threatened Species . 2020: e.T113016642A113307941. doi: 10.2305/IUCN.UK.2020-2.RLTS.T113016642A113307941.en . Retrieved 6 January 2024.
  2. 1 2 3 4 "Grevillea erectiloba". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. "Grevillea erectiloba". Australian Plant Census. Retrieved 9 April 2022.
  4. 1 2 "Grevillea erectiloba". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 9 April 2022.
  5. "Grevillea erectiloba". APNI. Retrieved 9 April 2022.
  6. von Mueller, Ferdinand (1876). Fragmenta Phytographiae Australiae. Vol. 10. Melbourne: Victorian Government Printer. pp. 44–45. Retrieved 9 April 2022.
  7. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 192. ISBN   9780958034180.
  8. "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 9 April 2022.