Hibbertia robur

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Hibbertia robur
Hibbertia robur.jpg
In the Wotto Nature Reserve, near Eneabba
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Dilleniales
Family: Dilleniaceae
Genus: Hibbertia
Species:
H. robur
Binomial name
Hibbertia robur

Hibbertia robur is a species of flowering plant in the family Dilleniaceae and is endemic to the west of Western Australia. It is a strongly erect shrub with linear leaves and a few yellow flowers arranged singly at the ends of branchlets, the flowers with eight to eleven stamens all on one side of the two carpels.

Contents

Description

Hibbertia robur is a strongly erect shrub that typically grows up to 30–50 cm (12–20 in) high and 30–120 cm (12–47 in) wide with many stout stems at the base and stout, spreading side-branches. The leaves are erect to spreading, linear, 15–20 mm (0.59–0.79 in) long and 1.6–2.2 mm (0.063–0.087 in) wide, the edges turned downwards. The flowers are arranged singly on the ends of branchlets and are sessile with five to ten, more or less glabrous, triangular bracts 4–8 mm (0.16–0.31 in) long at the base. The five sepals are fused at the base and 8–11 mm (0.31–0.43 in) long with egg-shaped lobes. The five petals are yellow, 12–15 mm (0.47–0.59 in) long and broadly egg-shaped with the narrower end towards the base. There are eight to eleven stamens all on one side of the two carpels, each carpel with two ovules. Flowering has been recorded from May to September. [2] [3]

Taxonomy

Hibbertia robur was first formally described in 2014 by Kevin Thiele in the journal Nuytsia from specimens he collected near Arrowsmith in 2014. [2] [4] The specific epithet (robur) means "strength", referring to the habit, branchlets, leaves and sepals. [2]

Distribution and habitat

This species mainly grows in kwongan and has been recorded from the area between Dongara, Mingenew, Three Springs and Eneabba in the Geraldton Sandplains biogeographic region in the west of Western Australia. [2] [3]

Conservation status

Hibbertia robur is classified as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions. [3]

See also

Related Research Articles

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Hibbertia depilipes is a species of flowering plant in the family Dilleniaceae and is endemic to the far south-west of Western Australia. It is usually a sprawling shrub with scattered linear leaves and yellow flowers arranged singly in leaf axils usually with ten stamens all on one side of the two carpels.

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

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Hibbertia furfuracea is a species of flowering plant in the family Dilleniaceae and is endemic to near-coastal areas of south-western Western Australia. It is an erect shrub with narrow egg-shaped leaves with the narrower end towards the base, and yellow flowers borne in upper leaf axils, with ten to twelve stamens all on one side of two carpels.

Hibbertia glabriuscula is a species of flowering plant in the family Dilleniaceae and is endemic to the south-west of Western Australia. It is a small, erect shrub with thick, oblong leaves and yellow flowers borne singly on the ends of branchlets, with six to twelve stamens arranged around the two carpels.

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 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

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

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Hibbertia notibractea is a species of flowering plant in the family Dilleniaceae and is endemic to the south-west of Western Australia. It is an erect, sprawling or prostrate shrub with linear to narrow elliptic leaves and yellow flowers with eleven stamens, nine in groups of three, arranged around three glabrous carpels.

Hibbertia oligantha 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 linear leaves and yellow flowers with six to ten stamens on one side of two glabrous carpels.

Hibbertia papillata is a species of flowering plant in the family Dilleniaceae and is endemic to the Fitzgerald River National Park in Western Australia. It is an erect shrub with crowded, linear, hairy leaves and yellow flowers usually with ten stamens, all on one side of, and curving over two hairy carpels.

Hibbertia propinqua is a species of flowering plant in the family Dilleniaceae and is endemic to a restricted area in the west of Western Australia. It is an erect to spreading shrub with linear to narrow oblong leaves and yellow flowers arranged amongst clusters of leaves, the flowers with eight to ten stamens all on one side of the two carpels.

References

  1. ↑ "Hibbertia robur". Australian Plant Census. Retrieved 7 September 2021.
  2. 1 2 3 4 Thiele, Kevin R. (2014). "Hibbertia robur (Dilleniaceae), a new species from Western Australia" (PDF). Nuytsia. 24: 307–310. Retrieved 7 September 2021.
  3. 1 2 3 "Hibbertia robur". FloraBase . Western Australian Government Department of Parks and Wildlife.
  4. ↑ "Hibbertia robur". APNI. Retrieved 7 September 2021.
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