Biology:Hakea fraseri
| Cookwood oak | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Proteales |
| Family: | Proteaceae |
| Genus: | Hakea |
| Species: | H. fraseri
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| Binomial name | |
| Hakea fraseri R.Br.[2]
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Hakea fraseri, is a species of shrub or small tree commonly known as the corkwood oak,[3] is a shrub in the family Proteaceae and is endemic to northern New South Wales. It has furrowed bark, pendulous foliage and creamy-white flowers in spring.
Description
Hakea fraseri is a shrub or small tree growing to 1–6 m (3 ft 3 in–19 ft 8 in) high with multiple stems, dark grey rough bark and does not form a lignotuber. The branchlets are a whitish colour, covered with flattened, soft hairs, new shoots glossy rusty coloured hairs over glossy white hairs. The leaves are simple, varying length with a weeping habit, 11–30 cm (4.3–11.8 in) long 0.9–1.4 mm (0.035–0.055 in) wide, more or less smooth and ending with hook. The inflorescence consists of 25-50 cream-white flowers borne in leaf axils on a stalk 9–25 mm (0.35–0.98 in) long that is covered with reddish-brown, short, matted hairs over whitish flattened hairs. The pedicel 3.5–8 mm (0.14–0.31 in) long, thickly covered with flattened hairs that extend onto the cream-white perianth when in bud, the pistil 17–26 mm (0.67–1.02 in) long. The fruit is narrowly egg-shaped, 30–40 mm (1.2–1.6 in) long, 11–17 mm (0.43–0.67 in) wide and a long obscure beak. Flowering occurs in spring.[3][4]
Taxonomy and naming
This species was first formally described in 1830 Robert Brown and the description was published in Supplementum primum prodromi florae Novae Hollandiae.[5][6] The specific epithet (fraseri) honours Charles Fraser the first colonial botanist and Superintendent of the New South Wales botanic gardens.[7]
Distribution and habitat
Corkwood oak is a rare species in New South Wales confined to the New England Tablelands below Wollomombi, Dangar, Tia and Apsley Falls on steep slopes and vertical rock situations in gorges.[4]
References
- ↑ Keith, D.; Barker, W. (2020). "Hakea fraseri". IUCN Red List of Threatened Species 2020: e.T117489056A121862120. doi:10.2305/IUCN.UK.2020-2.RLTS.T117489056A121862120.en. https://www.iucnredlist.org/species/117489056/121862120. Retrieved 13 March 2023.
- ↑ "Hakea fraseri". https://biodiversity.org.au/nsl/services/apc-format/display/70179.
- ↑ 3.0 3.1 "Hakea fraseri". Royal Botanic Gardens Sydney. http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Hakea~fraseri.
- ↑ 4.0 4.1 "Flora of Australia". Canberra/Melbourne: ABRS-Department of Environment & Heritage. 1999. ISBN 0-643-06454-0.
- ↑ "Supplementum primum prodromi florae Novae Hollandiae". https://www.biodiversitylibrary.org/item/77294#page/540/mode/1up.
- ↑ "Hakea fraseri". https://biodiversity.org.au/nsl/services/rest/instance/apni/480580.
- ↑ "Hakea fraseri". South Australian Government. http://www.flora.sa.gov.au/efsa/lucid/Hakea/key/Australian%20Hakea%20species/Media/Html/Hakea_fraseri.htm.
Wikidata ☰ Q18082590 entry
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