Grevillea ramosissima

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Grevillea ramosissima
Grevillea ramosissima 44236083614 10fb2bc15a o.jpg
Grevillea ramosissima r44236091714 7463785ae1 o.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. ramosissima
Binomial name
Grevillea ramosissima
GrevillearamosissimaDistributionMap.png
Occurrence data from AVH
Synonyms

Anadenia caleyi R.Br.

Foliage Grevillea ramosissima foliage 02.jpg
Foliage

Grevillea ramosissima, commonly known as fan grevillea, [2] is a species of flowering plant in the family Proteaceae and is endemic to eastern continental Australia. It is a low, spreading shrub with lobed leaves and clusters of cream-coloured to pale yellow flowers.

Contents

Description

Grevillea ramosissima is a low, spreading shrub that typically grows to a height of 0.3–1.5 m (1 ft 0 in – 4 ft 11 in) and often forms root suckers. The leaves are 30–80 mm (1.2–3.1 in) long and divided, usually with 3 to 11 lobes that are sometimes divided again, the end lobes more or less triangular to egg-shaped, mostly 3–20 mm (0.12–0.79 in) long and 2–7 mm (0.079–0.276 in) wide and sharply pointed. The edges of the leaves are turned down, and the lower surface is woolly-hairy. The flowers are arranged in conical to cylindrical clusters on a rachis 25–85 mm (0.98–3.35 in) long, the flowers at the base of the cluster opening first. The flowers are cream-coloured to pale yellow, the pistil 3.5–5.3 mm (0.14–0.21 in) long. Flowering mainly occurs in October and November and the fruit is a woolly-hairy follicle 7.5–10 mm (0.30–0.39 in) long. [2] [3]

Taxonomy

In 1830, Robert Brown described Anadenia caleyi in the supplement to his Prodromus Florae Novae Hollandiae et Insulae Van Diemen from specimens collected by George Caley in 1804. [4] [5] In 1855, Carl Meissner moved Anadenia caleyi to the genus Grevillea but the name Grevillea caleyi had already been used for a different species. Meissner changed the name to Grevillea ramosissima in Hooker's Journal of Botany and Kew Garden Miscellany . [6] [7] The specific epithet (ramosissima) means "much-branched". [8]

In 1994, Peter M. Olde and Neil R. Marriott described G. ramosissima subsp. hypargyrea, and the name, and that of the autonym are accepted by the Australian Plant Census:

Subspecies hypargyrea had previously been known as Grevillea ramosissima var. hypargyrea, first formally described in 1874 by Ferdinand von Mueller in his Fragmenta Phytographiae Australiae . [11] It is distinguished from subsp. ramosissima by the straight hairs on the lower surface of the leaves. [12] [13] [14]

Subspecies ramosissima is distinguished from subsp. hypargyrea by the twisted hairs on the lower surface of the leaves. [12] [15] [16]

Distribution and habitat

Subspecies hypargyrea is endemic to Victoria, where it is found in a few isolated places near the upper Murray River in the far north of the state, growing in woodland on granite. [13] [14]

Subspecies ramosissima is endemic to New South Wales where it occurs on the coast, tablelands and slopes south from near Glen Innes and Tenterfield. [15] [16]

Conservation status

Subspecies hypargyrea is listed as "endangered" under the Victorian Government Flora and Fauna Guarantee Act 1988 . [13] [17]

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 synapheae</i> Species of shrub in the family Proteaceae endemic to 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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<i>Grevillea manglesioides</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.

References

  1. ↑ "Grevillea ramosissima". Australian Plant Census. Retrieved 16 November 2022.
  2. 1 2 "Grevillea ramosissima". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 16 November 2022.
  3. ↑ Makinson, Robert O. "Grevillea ramosissima". Royal Botanic Garden Sydney. Retrieved 16 November 2022.
  4. ↑ "Anadenia caleyi". APNI. Retrieved 16 November 2022.
  5. ↑ Brown, Robert (1838). Supplementum primum Prodromi florae Novae Hollandiae. London. p. 16. Retrieved 16 November 2022.
  6. ↑ "Grevillea ramosissima". APNI. Retrieved 16 November 2022.
  7. ↑ Meisner, Carl (1855). Hooker, William Jackson (ed.). "New Proteaceae of Australia". Hooker's Journal of Botany and Kew Garden Miscellany. 7: 74. Retrieved 16 November 2022.
  8. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 291. ISBN   9780958034180.
  9. ↑ "Grevillea ramosissima subsp. hypargyrea". Australian Plant Census. Retrieved 16 November 2022.
  10. ↑ "Grevillea ramosissima subsp. ramosissima". Australian Plant Census. Retrieved 16 November 2022.
  11. ↑ "Grevillea ramosissima var. hypargyrea". APNI. Retrieved 16 November 2022.
  12. 1 2 Ohlsen, Daniel; Stajsic, Val. "Grevillea ramosissima" . Retrieved 16 November 2022.
  13. 1 2 3 Makinson, Robert O. "Grevillea ramosissima subsp.hypargyrea". Royal Botanic Gardens Victoria. Retrieved 16 November 2022.
  14. 1 2 "Grevillea ramosissima subsp.hypargyrea". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 16 November 2022.
  15. 1 2 "Grevillea ramosissima Meisn. subsp. ramosissima". Royal Botanic Garden Sydney. Retrieved 16 November 2022.
  16. 1 2 "Grevillea ramosissima subsp.ramosissima". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 16 November 2022.
  17. ↑ "Flora and Fauna Guarantee Act 1988 - Threatened List" (PDF). Victorian Government Department of Land, Water and Planning. September 2022. p. 27. Retrieved 16 November 2022.
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