Hakea collina

Hakea collina is a shrub in the Proteaceae native to eastern Australia. A small many branched shrub with gnarled branches with attractive cream-yellowish flowers.

Hakea collina
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Hakea
Species:
H. collina
Binomial name
Hakea collina
Occurrence data from Australasian Virtual Herbarium

Description

Hakea collina is an intricately branched often gnarled shrub growing to 1 to 2.6 metres (3.3 to 8.5 ft) high. Smaller branches and leaves have fine flattened silky hairs that remain until flowering. Straight needle-like leaves are crowded at the branch ends 1.5 to 3.5 cm (0.6 to 1 in) long and 1.2 to 1.7 millimetres (0.0 to 0.1 in) wide, sometimes grooved on the lower side. The inflorescence has two to twelve flowers with a white perianth 2.7 to 4.5 millimetres (0.106 to 0.177 in) long and the style is about 9 mm (0.4 in) long. The pedicel is 2.5–5 mm (0.1–0.2 in) long and covered with soft white hairs extending onto the lower part of the flower. The egg-shaped fruit are finely wrinkled, narrower at the stem 14 to 18 mm (0.551 to 0.709 in) long and 6.5 to 8.5 mm (0.256 to 0.335 in) wide. Fruit taper to a short pointed tip 2–4 mm (0.08–0.2 in) long with no beak. The seeds are 11 to 14 mm (0.433 to 0.551 in) long with a wing that is on one side. Flowers in the colder months from May to July.[2]

Taxonomy

Hakea collina was first formally described by the botanist Cyril Tenison White in 1944 as part of the work Contributions to the Queensland Flora as published in the Proceedings of the Royal Society of Queensland.[3] The specific epithet (collina) is derived from the Latin word collinus meaning "of a hill" or "hilly" [4]:218, referring to the habitat where the shrub occurs.[2]

Distribution

It is endemic to an area in the south west of Queensland on lateritic tableland on hills and plains as a part of open Acacia woodland and shrubland communities.[5]

Conservation status

Hakea collina is classified as 'Poorly Known' in J.D.Briggs & J.H.Leigh, "Rare or Threatened Australian Plants" (1995).[2]


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References
  1. "Hakea collina". APNI. Retrieved 23 January 2019.
  2. "Factsheet - Hakea collina". Government of South Australia. Retrieved 12 June 2016.
  3. "Hakea collina C.T.White". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 18 October 2018.
  4. Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press.
  5. "Hakea collina". Flora of Australia:Online. Australian National Botanic Gardens. Retrieved 23 January 2019.
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