Biology:Hakea standleyensis
Hakea standleyensis | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Order: | Proteales |
Family: | Proteaceae |
Genus: | Hakea |
Species: | H. standleyensis
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Binomial name | |
Hakea standleyensis Maconochie[1]
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Occurrence data from AVH |
Hakea standleyensis is a small flowering shrub in the family Proteaceae. It has white flowers, needle-shaped leaves and a twisted growth habit. It grows on cliff ledges in the Northern Territory, Australia.
Description
Hakea standleyensis is a multi-stemmed sparse shrub 0.9–2 m (3–7 ft) tall and up to 1 m (3 ft) wide. The smaller branches and young leaves have dense silky hairs quickly becoming smooth. The needle-like leaves are often curved are crowded at the base 2–9.5 cm (0.8–4 in) long and 1.2–1.7 mm (0.05–0.07 in) wide. The inflorescence consists of 6–12 white flowers with over-lapping bracts surrounding each flower 4–5 mm (0.2–0.2 in) long on a short stalk. Flowering occurs from September to October and the fruit are egg-shaped 1.3–1.5 cm (0.5–0.6 in) long and 4.5–6 mm (0.2–0.2 in) wide with a wrinkled bluish-green surface ending and in a 1 mm (0.04 in) point.[2][3]
Taxonomy and naming
Hakea standleyensis was first formally described in 1973 by John Maconchie who published the description in Transactions of the Royal Society of South Australia.[4] Named after Standley Chasm in the Macdonnell Ranges one of the localities where it is found.[2]
Distribution and habitat
Hakea standleyensis is restricted to the Macdonnell Ranges in the Northern Territory where it grows in skeletal soil on ledges of quartzite cliff faces.[2]
Conservation status
Hakea standleyensis is considered 'Rare' in J.D.Briggs & J.H.Leigh, Rare or Threatened Australian Plants (1995).[3]
References
- ↑ "Hakea standleyensis". Australian Plant Census. https://biodiversity.org.au/nsl/services/apc-format/display/99659.
- ↑ 2.0 2.1 2.2 "Hakea standleyensis". South Australian Government. http://www.flora.sa.gov.au/efsa/lucid/Hakea/key/Australian%20Hakea%20species/Media/Html/Hakea_standleyensis.htm.
- ↑ 3.0 3.1 "Hakea standleyensis". Department of Environment and Heritage. https://profiles.ala.org.au/opus/foa/profile/Hakea%20standleyensis.
- ↑ "Hakea standleyensis". Australian National Botanic Gardens. https://biodiversity.org.au/nsl/services/search?product=APNI&tree.id=&name=Hakea+standleyensis&inc._scientific=&inc.scientific=on&inc._cultivar=&inc._other=&max=100&display=apni&search=true.
Wikidata ☰ Q18082048 entry
Original source: https://en.wikipedia.org/wiki/Hakea standleyensis.
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