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Hibbertia hirticalyx

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Species of plant

Hibbertia hirticalyx
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Dilleniales
Family: Dilleniaceae
Genus: Hibbertia
Species: H. hirticalyx
Binomial name
Hibbertia hirticalyx
Toelken

Hibbertia hirticalyx is a species of flowering plant in the family Dilleniaceae and is endemic to south-eastern Australia. It is an erect, spreading or low-lying shrub with hairy foliage, elliptic leaves, and yellow flowers with eight to twelve stamens arranged in a cluster on one side of the two carpels.

Description

Hibbertia hirticalyx is an erect, spreading or low-lying shrub that typically grows to a height of 0.3–1.0 m (1 ft 0 in – 3 ft 3 in) and has hairy foliage. The leaves are narrow elliptic to narrow lance-shaped with the narrower end towards the base, 8–17 mm (0.31–0.67 in) long and 2–8 mm (0.079–0.315 in) wide on a petiole 0.4–1.4 mm (0.016–0.055 in) long. The edges of the leaves are turned down or rolled under. The flowers are arranged singly on the ends of the branchlets on a peduncle 2–8 mm (0.079–0.315 in) long, with a linear bract 3.0–4.4 mm (0.12–0.17 in) long. The five sepals are joined at the base, 3.2–6.2 mm (0.13–0.24 in) long and covered with star-shaped hairs. The five petals are bright yellow and wedge-shaped with a notch on the end, 6.0–9.6 mm (0.24–0.38 in) long. There are eight to twelve stamens arranged in a single cluster on one side of the two carpels, each carpel with four ovules.

Taxonomy

Hibbertia hirticalyx was first formally described in 1998 by Hellmut R. Toelken in the Journal of the Adelaide Botanic Gardens from specimens collected near Gladstone in Tasmania, in 1983. The specific epithet (hirticalyx) means "sepals with long, soft hairs".

Distribution and habitat

This hibbertia grows in open forest in dry areas on Wilson's Promontory in Victoria, in the north of Tasmania and on the Bass Strait Islands.

See also

References

  1. "Hibbertia hirticalyx". Australian Plant Census. Retrieved 27 June 2021.
  2. ^ Toelken, Hellmut R. (2010). "Notes on Hibbertia (Dilleniaceae) 2. The H. aspera - empetrifolia complex" (PDF). Journal of the Adelaide Botanic Gardens. 18 (2): 146–150. Retrieved 27 June 2021.
  3. ^ Messina, Andre; Stajsic, Val. "Hibbertia hirticalyx". Royal Botanic Gardens Victoria. Retrieved 27 June 2021.
  4. "Hibbertia hirticalyx". APNI. Retrieved 27 June 2021.
Taxon identifiers
Hibbertia hirticalyx
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