Grevillea sericea

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Grevillea sericea
Grevillea sericea.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. sericea
Binomial name
Grevillea sericea
Synonyms [2]
  • Embothrium sericeumSm.
  • Embothrium sericeum var. minorSm.
  • Lysanthe sericea(Sm.) Knight
White flowered form Grevillea sericea subspecies sericea.jpg
White flowered form
Illustration of Embrothium sericeum in A Specimen of the Botany of New Holland Embothrium sericeum (Sowerby).jpg
Illustration of Embrothium sericeum in A Specimen of the Botany of New Holland

Grevillea sericea, commonly known as the pink spider flower, [3] is a species of flowering plant in the family Proteaceae and is endemic to New South Wales. It is a shrub with elliptic to lance-shaped leaves with the narrower end towards the base, and clusters of usually pink flowers arranged on one side of a flowering rachis.

Contents

Description

Grevillea sericea is a shrub that typically grows to a height of 0.5–2 m (1 ft 8 in – 6 ft 7 in) with angular, ridged, silky-hairy branchlets. The leaves are 25–120 mm (0.98–4.72 in) long and 2–9 mm (0.079–0.354 in) wide, the size and shape depending on subspecies. The flowers are pink, deep purplish pink, rarely white or reddish, and arranged in clusters, more or less on one side of a rachis 15–60 mm (0.59–2.36 in) long, the pistil 14–19 mm (0.55–0.75 in) long. Flowering mainly occurs from August to December, and the fruit is a glabrous, narrowly oval to elliptic follicle 9–16 mm (0.35–0.63 in) long. [3] [4] [5]

Taxonomy

This species was first formally described in 1794 by James Edward Smith who gave it the name Embothrium sericeum in his book, A Specimen of the Botany of New Holland . [6] [7] In 1810, Robert Brown transferred it into Grevillea as G. sericea in Transactions of the Linnean Society of London . [8]

In 1994, Peter M. Olde and Neil R. Marriott described two subspecies of G. sericea in The Grevillea Book, and the names are accepted by the Australian Plant Census:

Distribution and habitat

Pink spider flower is widespread in New South Wales, and grows in woodland and open forest from near Toronto and Wyee south to near Heathcote, and inland to near Mudgee. [4] [13] [14] Subspecies riparia has a more restricted distribution, growing near permanent streams mainly near the escarpment of the Blue Mountains, along the Grose and Colo Rivers and Glenbrook Creek. [10] [11]

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

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References

  1. ↑ "Grevillea sericea". The IUCN Red List of Threatened Species. Retrieved 1 December 2023.
  2. 1 2 "Grevillea sericea". Australian Plant Census. Retrieved 28 January 2023.
  3. 1 2 "Grevillea sericea (Sm.) R.Br". New South Wales Flora online. National Herbarium of New South Wales. Retrieved 28 August 2016.
  4. 1 2 "Grevillea sericea". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 28 January 2023.
  5. ↑ 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. 329. ISBN   0207172773.
  6. ↑ "Embothrium sericeum". APNI. Retrieved 28 January 2023.
  7. ↑ Smith, James E. (1794). A Specimen of the Botany of New Holland. London: James Sowerby. pp. 25–27. Retrieved 28 January 2023.
  8. ↑ "Grevillea sericea". APNI. Retrieved 28 January 2023.
  9. ↑ "Grevillea sericea subsp. riparia". Australian Plant Census. Retrieved 28 January 2023.
  10. 1 2 Makinson, Robert O. "Grevillea sericea subsp. riparia". Royal Botanic Garden Sydney. Retrieved 28 January 2023.
  11. 1 2 "Grevillea sericea subsp. riparia". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 28 January 2023.
  12. ↑ "Grevillea sericea subsp. sericea". Australian Plant Census. Retrieved 28 January 2023.
  13. 1 2 Makinson, Robert O. "Grevillea sericea subsp. sericea". Royal Botanic Garden Sydney. Retrieved 28 January 2023.
  14. 1 2 "Grevillea sericea subsp. sericea". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 28 January 2023.
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