Hibbertia avonensis

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Hibbertia avonensis
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Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Dilleniales
Family: Dilleniaceae
Genus: Hibbertia
Species:
H. avonensis
Binomial name
Hibbertia avonensis

Hibbertia avonensis is a species of flowering plant in the family Dilleniaceae and is endemic to the south-west of Western Australia. It is a shrub with narrow oblong leaves and bright yellow flowers arranged singly in leaf axils with about ten stamens fused at their bases on one side of the two carpels.

Contents

Description

Hibbertia avonensis is a shrub that grows to a height of 60 cm (24 in). Its leaves are spirally arranged, narrow oblong, 2.5–8 mm (0.098–0.315 in) long and 0.8–1.4 mm (0.031–0.055 in) wide and more or less sessile. The upper surface of the leaves is covered with small tubercules, each with a hair in the centre. The flowers are arranged singly in upper leaf axils or on the ends of short side shoots and are 7–13 mm (0.28–0.51 in) in diameter, on a peduncle 2–10 mm (0.079–0.394 in) long with up to three egg-shaped bracts 1–2 mm (0.039–0.079 in) long at the base. The five sepals are 3.5–6 mm (0.14–0.24 in) long, the outer sepals 2–2.5 mm (0.079–0.098 in) wide and the inner ones 2.5–3 mm (0.098–0.118 in) wide. The five petals are bright yellow, egg-shaped with the narrower end towards the base and 4–8 mm (0.16–0.31 in) long with a notch at the tip. There are usually ten stamens, fused at the base and on one side of the two carpels that each contain two ovules. Flowering occurs from August to October. [2] [3]

Taxonomy

Hibbertia avonensis was first formally described in 2002 by Judith R. Wheeler in the journal Nuytsia from specimens collected by Ruurd Dirk Hoogland near Pingrup in 1971. [2] [4] The specific epithet (avonensis) refers to the distribution of this species that occurs almost entirely in the Avon Wheatbelt biogeographic region. [2]

Distribution

This hibbertia grows in heath, shrubland, usually in sandy soil, mostly in the Avon Wheatbelt. [2] [3]

Conservation status

Goodenia avonensis is classified as "not threatened" by the Government of Western Australia Department of Parks and Wildlife. [3]

See also

Related Research Articles

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<i>Hibbertia glomerata</i> Species of flowering plant

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Hibbertia graniticola is a species of flowering plant in the family Dilleniaceae and is endemic to the south-west of Western Australia. It is a shrub with thick, linear leaves and yellow flowers borne singly on the ends of branchlets, with seventeen to thirty stamens arranged around the two or three carpels.

Hibbertia hamulosa is a species of flowering plant in the family Dilleniaceae and is endemic to the south coast of Western Australia. It is a shrub with somewhat crowded, thick, linear leaves and golden yellow flowers with five to eight stamens fused at their bases, all on one side of two densely hairy carpels.

<i>Hibbertia hibbertioides</i> Species of flowering plant

Hibbertia hibbertioides is a species of flowering plant in the family Dilleniaceae and is endemic to near-coastal areas of south-western Western Australia. It is a small, prostrate or sprawling shrub with crowded, linear cylindrical leaves and yellow flowers with usually eleven stamens arranged in groups around three carpels.

Hibbertia hooglandii is a species of flowering plant in the family Dilleniaceae and is endemic to the Kimberley region of Western Australia. It is a small, erect or spreading, multi-stemmed shrub with linear leaves and golden yellow flowers arranged singly in leaf axils, with seventeen to twenty-five stamens, all on one side of two densely hairy carpels.

<i>Hibbertia huegelii</i> Species of flowering plant

Hibbertia huegelii is a species of flowering plant in the family Dilleniaceae and is endemic to the south-west of Western Australia. It is an erect, spreading or prostrate shrub with hairy branchlets, linear leaves and yellow flowers arranged singly in leaf axils on the ends of shoots, with fifteen to twenty-five stamens in bundles around the four or five carpels.

References

  1. ↑ "Hibbertia avonensis". Australian Plant Census. Retrieved 6 April 2021.
  2. 1 2 3 4 Wheeler, Judith R. (2002). "Miscellaneous new species of Hibbertia (Dilleniaceae) from the wheatbelt and pastoral areas of Western Australia" (PDF). Nuytsia. 15 (1): 145–146. Retrieved 6 April 2021.
  3. 1 2 3 "Hibbertia avonensis". FloraBase . Western Australian Government Department of Parks and Wildlife.
  4. ↑ "Hibbertia avonensis". APNI. Retrieved 6 April 2021.
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