Hakea corymbosa

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Hakea corymbosa
Hakea corymbosa.JPG
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Hakea
Species:
H. corymbosa
Binomial name
Hakea corymbosa
Hakea corymbosaDistMap28.png
Occurrence data from Australasian Virtual Herbarium
H. corymbosa flowers and foliage Hcorymbosa3.JPG
H. corymbosa flowers and foliage

Hakea corymbosa, commonly known as the cauliflower hakea, [2] is a species of flowering plant in the family Proteaceae which is endemic to the south-west of Western Australia. An attractive extremely prickly bush with sweetly scented yellowish flowers. The nectar-rich blooms and dense form provides a good habitat for wildlife.

Contents

Description

Hakea corymbosa is a non lignotuberous erect multi-branched shrub growing to 0.5 to 2 metres (1.6 to 6.6 ft) high and 2.5–3 m (8–10 ft) wide. The young shoots are referred to as "water canes", when mature they develop into a new cluster of foliage. The shrub becomes extremely dense and prickly, the foliage appearing like clusters of "clouds". The narrow waxy leaves are 2.5 to 12 cm (1.0 to 4.7 in) long and 0.2 to 0.8 cm (0.079 to 0.315 in) wide on lower parts but whorled near the flowers. Leaves are alternately arranged along the stems with a distinct centre vein on the upper side and three on the underside ending in a sharp point. The inflorescence consists of 12-18 flowers appearing in profusion in leaf axils. The pedicel is 3.5–5 mm (0.1–0.2 in) long and smooth. The perianth is a pale yellow-green. Woody fruit have a roughish texture, broadly egg-shaped 2 to 3 centimetres (0.8 to 1.2 in) long and 1.5 cm (0.59 in) wide ending in a short sharp point without a beak. The winged seed measures 12–17 mm (0.47–0.67 in) long and 6.5–11 mm (0.26–0.43 in) wide. [3] [4] [5] [6] [7]

Taxonomy and naming

Hakea corymbosa was first formally described by the botanist Robert Brown in 1830 as part of the work Supplementum primum prodromi florae Novae Hollandiae . [8] The type specimen had been collected at King George Sound by William Baxter in 1823. [9] The specific epithet (corymbosa) is derived from the Latin corymbus meaning "bunch of flowers", "peak" or "top" [10] : 214  referring to the flowers growing as a flat top or in a convex arrangement. [11] A lignotuberous form with bright yellow flowers found north of Perth was classified as a separate species, Hakea eneabba . [2]

Distribution and habitat

Hakea corymbosa is native to the Great Southern, southern Wheatbelt and Goldfields-Esperance regions of Western Australia from Williams in the west, Albany in the south to Kondinin in the north and Cape Arid in the east. It is found in acid to slightly alkaline, sandy soils over or around laterite or granite, in heath or woodland. [3] [6] [12]

Use in horticulture

Hakea corymbosa can be grown in a sunny location in most soil types, preferring temperate climates receiving over 400 mm (16 in) rainfall a year. Plants in a shady spot tend to have elongated growth. It can be grown as a windbreak, hedge or for erosion control. Hakea corymbosa is recommended for attracting birds as it provides a dense safe haven with its prickly habit and nectar-rich flowers as a food source. Propagation is by seed, preferably gathered using gloves due to the prickliness of the foliage. [2] [6] [12] [13] [14]

Related Research Articles

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<i>Hakea tephrosperma</i> Species of plant

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<i>Hakea baxteri</i> Species of shrub in the family Proteaceae native to Western Australia

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<i>Hakea falcata</i> Species of shrub in the family Proteaceae endemic to southern Western Australia

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<i>Hakea macrocarpa</i> Species of plant in the family Proteaceae endemic to Western Australia

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<i>Hakea stenocarpa</i> Species of shrub in the family Proteaceae endemic to the South West regions of Western Australia

Hakea stenocarpa is a shrub in the family Proteaceae, commonly known as narrow-fruited hakea. It has scented creamy-white flowers in clusters, often with curling leaves and is endemic to an area in the Mid West, western Wheatbelt, Peel and the South West regions of Western Australia.

<i>Hakea stenophylla</i> Species of plant in the family Proteaceae endemic to Western Australia

Hakea stenophylla is a shrub or tree in the family Proteaceae, with sweetly scented creamy-white flowers. It is endemic to Western Australia.

<i>Hakea fraseri</i> Species of shrub in the family Proteaceae endemic to northern New South Wales

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References

  1. ↑ "Hakea corymbosa". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government, Canberra. Retrieved 5 May 2013.
  2. 1 2 3 Holliday, Ivan (2005). Hakeas: A Field and Garden Guide. Reed New Holland. p. 48. ISBN   1-877069-14-0.
  3. 1 2 "Hakea corymbosa". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. ↑ Young, J A (2000). Hakeas of Western Australia:Botanical District of Roe and Eyre. J A Young. ISBN   0-9585778-1-1.
  5. ↑ "Hakea corymbosa". Growing Native Plants. Australian National Botanic Gardens. Retrieved 5 May 2013.
  6. 1 2 3 Young, J A. Hakeas of Western Australia:A Field and Identification Guide. J A Young. ISBN   0-9585778-2-X.
  7. ↑ Barker, Robyn M.; Haegi, Laurence A.; Barker, William R. (1999). Wilson, Annette (ed.). Flora of Australia (Volume 17B, Proteaceae 3, Hakea to Dryandra) (PDF). Canberra / Melbourne: ABRS / CSIRO. Retrieved 25 January 2019.
  8. ↑ "Hakea corymbosa R.Br". Atlas of Living Australia. Global Biodiversity Information Facility . Retrieved 12 October 2018.
  9. ↑ Brown, Robert (1830). Proteaceas Novas. Supplementum Primum Prodromi Florae Novae Hollandiae. London, United Kingdom: Richard Taylor. p. 28.
  10. ↑ Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press.
  11. ↑ "Hakea corymbosa". Flora of South Australia:Online. South Australian Government. Retrieved 25 January 2019.
  12. 1 2 Elliot, Rodger W.; Jones, David L.; Blake, Trevor (1990). Encyclopaedia of Australian Plants Suitable for Cultivation: Vol. 5. Port Melbourne: Lothian Press. p. 197. ISBN   0-85091-285-7.
  13. ↑ Wrigley, John; Fagg, Murray (1991). Banksias, Waratahs and Grevilleas. Sydney, New South Wales: Angus & Robertson. p. 368. ISBN   0-207-17277-3.
  14. ↑ "Hakea corymbosa". Australian National Botanic Gardens. Commonwealth of Australia. Retrieved 25 January 2019.
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