Grevillea subtiliflora

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Grevillea subtiliflora
Grevillea subtiliflora 1.jpg
At Illawarra Grevillea Park
Status DECF P3.svg
Priority Three — Poorly Known Taxa (DEC)
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. subtiliflora
Binomial name
Grevillea subtiliflora

Grevillea subtiliflora is species of flowering plant in the family Proteaceae and is endemic to the southwest of Western Australia. It is an open, erect shrub with pinnatisect leaves, the end lobes linear, and clusters of white flowers that are yellowish-green in the bud stage.

Contents

Description

Grevillea subtiliflora is an open, erect shrub that typically grows to a height of 1.0–2.5 m (3 ft 3 in – 8 ft 2 in) and has densely silky-hairy branchlets. Its leaves are pinnatisect, 25–45 mm (0.98–1.77 in) long with 3 to 11 lobes that are usually further divided, the end lobes linear, 5–20 mm (0.20–0.79 in) long and 0.5–1 mm (0.020–0.039 in) wide. The edges of the leaves are rolled under, enclosing the lower surface apart from the midvein. The flowers are borne in cylindrical clusters in leaf axils and at the ends of branches on a silky-hairy raceme 40–80 mm (1.6–3.1 in) long. The flowers are yellowish green in the bud stage, later white, the pistil 4–5 mm (0.16–0.20 in) long. Flowering occurs from July to October and the fruit is an oval or oblong follicle 8–10 mm (0.31–0.39 in) long. [2] [3] [4]

This grevillea is sometimes confused with G. intricata that has flowers with a glabrous inner surface, and more tangled foliage. [2]

Taxonomy

Grevillea subtiliflora was first formally described in 1986 by the botanist Donald McGillivray in his book New Names in Grevillea (Proteaceae) from specimens collected by John Stanley Beard in 1973. [5] The specific epithet (subtiliflora) means "delicately-flowered". [3] [6]

Distribution and habitat

This grevillea grows in shrubland and is restricted to the Paynes Find area of the Avon Wheatbelt and Yalgoo bioregions of south-western Western Australia. [2] [4]

Conservation status

This grevillea is listed as "Priority Three" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions, [4] meaning that it is poorly known and known from only a few locations but is not under imminent threat. [7]

See also

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

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

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

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

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

Grevillea obliquistigma is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a spreading shrub with linear leaves, and conical to cylindrical clusters of creamy-white to yellowish cream-coloured flowers, sometimes tinged with pink.

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

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<i>Grevillea prostrata</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

Grevillea pyramidalis, commonly known as the caustic bush, is a species of flowering plant in the family Proteaceae and is endemic to north-western Australia. It is an erect, spindly shrub or small tree with simple linear or pinnatisect leaves with linear to narrowly egg-shaped lobes, and white to yellow or cream-coloured flowers.

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

Grevillea rara, also known as the rare grevillea, is a species of flowering plant in the family Proteaceae and is endemic to a restricted part of the South West region of Western Australia. It is a prostrate, sprawling shrub when young, later a dense, prickly shrub with pinnatisect leaves with linear lobes, and clusters of white to pale pink flowers.

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

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Grevillea saxicola is a species of flowering plant in the family Proteaceae and is endemic to the Pilbara region of Western Australia. It is a shrub or small tree usually with pinnatisect leaves with linear lobes, and cylindrical clusters of cream-coloured to pale yellow flowers.

References

  1. "Grevillea subtiliflora". Australian Plant Census. Retrieved 12 March 2023.
  2. 1 2 3 "Grevillea subtiliflora". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 11 March 2023.
  3. 1 2 Wrigley, John W.; Fagg, Murray A. (1991). Banksias, waratahs & grevilleas : and all other plants in the Australian Proteaceae family. North Ryde, NSW, Australia: Angus & Robertson. p. 337. ISBN   0207172773.
  4. 1 2 3 "Grevillea subtiliflora". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  5. "Grevillea subtiliflora". APNI. Retrieved 12 March 2023.
  6. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 317. ISBN   9780958034180.
  7. "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 12 March 2023.