Hibbertia decumbens

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Hibbertia decumbens
Hibbertia decumbens.jpg
In the Blue Mountains National Park
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Dilleniales
Family: Dilleniaceae
Genus: Hibbertia
Species:
H. decumbens
Binomial name
Hibbertia decumbens
Habit Hibbertia decumbens habit.jpg
Habit

Hibbertia decumbens is a species of flowering plant in the family Dilleniaceae and is endemic to a restricted area of New South Wales. It is a spreading, almost prostrate shrub with hairy foliage, egg-shaped to almost round leaves, and yellow flowers usually with nine to twelve stamens arranged in a group on one side of two carpels.

Contents

Description

Hibbertia decumbens is a spreading to almost prostrate shrub that typically grows to a height of up to 40 cm (16 in), the foliage covered with simple and star-like hairs. The leaves are egg-shaped with the narrower end towards the base to almost round, 4–8.5 mm (0.16–0.33 in) long and 2.5–6 mm (0.098–0.236 in) wide on a petiole 0.4–1.0 mm (0.016–0.039 in) long. The flowers are arranged on the ends of branchlets on a peduncle 5–10 mm (0.20–0.39 in) long, with linear bracts 1.1–1.5 mm (0.043–0.059 in) long. The five sepals are joined at the base, the sepal lobes 3.3–4.4 mm (0.13–0.17 in) long. The five petals are egg-shaped to wedge-shaped with the narrower end towards the base, bright yellow, 3.8–7.2 mm (0.15–0.28 in) long with a notch at the tip. There are usually nine to twelve stamens arranged in one group alongside the two woolly-hairy carpels, each carpel with two ovules. Flowering occurs from October to January. [2] [3]

Taxonomy

Hibbertia decumbens was first formally described in 1998 by Hellmut R. Toelken in the Journal of the Adelaide Botanic Gardens from specimens collected near Wentworth Falls in 1987. [2] [4] The specific epithet (decumbens) means prostrate, but with rising tips. [5]

Distribution and habitat

This hibbertia grows on sandstone ledges in a few locations in the Blue Mountains. [2] [3]

See also

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References

  1. ↑ "Hibbertia decumbens". Australian Plant Census. Retrieved 11 May 2021.
  2. 1 2 3 Toelken, Hellmut R. (1998). "Notes on Hibbertia (Dilleniaceae) 2. The H. aspera – H. empetrifolia complex" (PDF). Journal of the Adelaide Botanic Gardens. 18 (2): 135–137. Retrieved 11 May 2021.
  3. 1 2 "Hibbertia decumbens". Royal Botanic Garden Sydney. Retrieved 11 May 2021.
  4. ↑ "Hibbertia decumbens". APNI. Retrieved 22 April 2021.
  5. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 179. ISBN   9780958034180.
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