Hakea standleyensis

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.

Hakea standleyensis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Hakea
Species:
H. standleyensis
Binomial name
Hakea standleyensis
Maconochie[1]
Occurrence data from AVH

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
  1. "Hakea standleyensis". Australian Plant Census. Retrieved 26 November 2021.
  2. "Hakea standleyensis". Flora of South Australia:Fact Sheet. South Australian Government. Retrieved 5 January 2019.
  3. "Hakea standleyensis". Flora of Australia:Online. Department of Environment and Heritage. Retrieved 5 January 2019.
  4. "Hakea standleyensis". APNI. Australian National Botanic Gardens. Retrieved 5 January 2019.
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