Hibbertia acuminata

Hibbertia acuminata
	In Bundjalung National Park
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Dilleniales
Family:	Dilleniaceae
Genus:	Hibbertia
Species:	H. acuminata
Binomial name
	Hibbertia acuminata; B.J.Conn

Last updated May 24, 2023

Hibbertia acuminata is a species of flowering plant in the family Dilleniaceae and is endemic to eastern Australia. It is an erect shrub with lance-shaped to egg-shaped, stem-clasping leaves and yellow flowers arranged singly in leaf axils with about forty stamens surrounding the carpels.

Description

Hibbertia acuminata is usually an erect shrub that typically grows to a height of up to 0.3–1 m (1 ft 0 in – 3 ft 3 in), its young growth hairy. The leaves are lance-shaped to egg-shaped with the narrower end towards the base, 10–30 mm (0.39–1.18 in) long and 3–8 mm (0.12–0.31 in) wide, sometimes with a pointed tip. The flowers are arranged singly in leaf axils with a bract 3–4 mm (0.12–0.16 in) long. The sepals are 8–10 mm (0.31–0.39 in) long and more or less membranous. The petals are yellow, 7–10 mm (0.28–0.39 in) long and there are about forty stamens surrounding the three glabrous carpels. Flowering occurs from July to November.^[2]^[3]

Taxonomy

Hibbertia acuminata was first formally described in 1990 by Barry Conn in the journal Muelleria from specimens collected by William Blakely and David Shiress near Copmanhurst in 1922.^[2]^[4] The specific epithet (acuminata) means "pointed", referring to the sepals.^[2]^[5]

Distribution and habitat

This hibbertia grows scattered locations in coastal heath and forest ranges on sandstone. It is found between Coffs Harbour and south-eastern Queensland, mostly commonly on the Richmond Range.^[2]^[3]

Related Research Articles

Hibbertia marginata, commonly known as bordered guinea flower, is a species of flowering plant in the family Dilleniaceae and is endemic to the North Coast of New South Wales. It is a spreading shrub with hairy young branches, oblong to lance-shaped leaves and yellow flowers with thirty to forty stamens and many staminodes arranged around three hairy carpels.

Hibbertia atrichosepala is a species of flowering plant in the family Dilleniaceae and is endemic to a restricted area in the south-west of Western Australia. It is an upright shrub with crowded linear to tapering leaves and yellow flowers arranged singly in leaf axils with glabrous sepals and the five stamens all on one side of the two carpels.

Hibbertia axillibarba is a species of flowering plant in the family Dilleniaceae and is endemic to a restricted area of the south-west of Western Australia. It is a shrub with crowded narrow oblong to linear leaves. Its yellow flowers are arranged singly on short side shoots with ten or eleven stamens fused at their bases on one side of the two densely hairy carpels.

Hibbertia acicularis, commonly known as prickly guinea-flower, is a species of flowering plant in the family Dilleniaceae and is endemic to eastern Australia. It is an erect or prostrate shrub with linear to lance-shaped leaves and yellow flowers arranged singly in leaf axils with the six to eight stamens joined at the base, in a single cluster.

Hibbertia alopecota is a species of flowering plant in the family Dilleniaceae and is endemic to the Northern Territory. It is a low shrub with elliptic to lance-shaped leaves and yellow flowers arranged singly in leaf axils, with sixteen to twenty-four stamens arranged in bundles around two carpels.

Hibbertia araneolifera is a species of flowering plant in the family Dilleniaceae and is endemic to Queensland. It is a small shrub with wiry branches, narrow elliptic to lance-shaped leaves and yellow flowers arranged singly in leaf axils, with forty to forty-four stamens arranged around the three carpels.

Hibbertia argyrochiton is a species of flowering plant in the family Dilleniaceae and is endemic to northern parts of the Northern Territory. It is a shrub densely covered with scales and has elliptic to lance-shaped leaves, and yellow flowers usually arranged singly in leaf axils, with twenty to twenty-four stamens arranged in groups around the two carpels.

Hibbertia bicarpellata is a species of flowering plant in the family Dilleniaceae and is endemic to northern Queensland. It is a shrub with hairy, ridged branches, elliptic leaves and yellow flowers arranged singly in leaf axils, with twenty to twenty-six stamens arranged in groups around the two carpels.

Hibbertia brennanii is a species of flowering plant in the family Dilleniaceae and is endemic to the Arnhem Land escarpment. It is a low, spreading sub-shrub with hairy foliage, elliptic to lance-shaped leaves and pale yellow flowers arranged singly in leaf axils, with ten to twelve stamens arranged in groups around the two carpels.

Hibbertia brevipedunculata is a species of flowering plant in the family Dilleniaceae and is endemic to northern Australia. It is a sub-shrub with hairy foliage, linear to lance-shaped leaves with the narrow end towards the base, and yellow flowers arranged singly on the ends of branches or short side shoots, with thirty to forty-four stamens arranged in bundles around the two carpels.

Hibbertia caudice is a species of flowering plant in the family Dilleniaceae and is endemic to northern Australia. It is a shrub with wiry stems, hairy foliage, elliptic to lance-shaped leaves with the narrower end towards the base, and yellow flowers arranged in leaf axils, mostly with twenty-four to twenty-six stamens arranged in groups around the two carpels.

Hibbertia coloensis is a species of flowering plant in the family Dilleniaceae and is endemic to the Wollemi National Park of New South Wales. It is a shrub with linear to lance-shaped leaves, and yellow flowers arranged in leaf axils, with twenty-four to twenty-six stamens arranged around three carpels.

Hibbertia covenyana is a species of flowering plant in the family Dilleniaceae and is endemic to New South Wales. It is an erect or semi-prostrate shrub with hairy foliage, oblong leaves and yellow flowers with seven to ten stamens arranged on one side of the two carpels.

Hibbertia glaberrima is a species of flowering plant in the family Dilleniaceae and is endemic to Central Australia. It is a glabrous, spreading shrub with oblong to lance-shaped leaves and yellow flowers borne singly in upper leaf axils, with 30 to 150 stamens arranged around three carpels.

Hibbertia malacophylla is a species of flowering plant in the family Dilleniaceae and is endemic to Queensland. It is a spreading shrub with densely hairy foliage, elliptic leaves, and single yellow flowers arranged in leaf axils with 50 to 55 stamens arranged around the two carpels.

Hibbertia pancerea is a species of flowering plant in the family Dilleniaceae and is endemic to Kakadu National Park. It is a spreading shrub foliage densely covered with shield-like scales, that has elliptic leaves and yellow flowers arranged singly in leaf axils with 26 to 30 stamens arranged in bundles around two carpels.

Hibbertia reticulata is a species of flowering plant in the family Dilleniaceae and is endemic to north Queensland. It is a shrub with spreading branches, egg-shaped leaves with the narrower end towards the base, and yellow flowers arranged singly in leaf axils, with 32 to 48 stamens arranged in two or three groups around the two densely hairy carpels.

Hibbertia rufociliata is a species of flowering plant in the family Dilleniaceae and is endemic to a restricted area of north Queensland. It is a shrub with hairy foliage, elliptic to lance-shaped leaves with the narrower end towards the base, and yellow flowers usually arranged singly in leaf axils with 36 to 44 stamens arranged in bundles around two densely scaly carpels.

Hibbertia villosa is a species of flowering plant in the family Dilleniaceae and is endemic to northern New South Wales. It is an erect shrub with hairy branches and leaves, spatula-shaped to narrow egg-shaped leaves with the narrower end towards the base and yellow flowers with fifteen to twenty stamens in three groups arranged around three carpels.

Hibbertia tridentata is a species of flowering plant in the family Dilleniaceae and is only known from a single population in Arnhem Land in the Northern Territory. It is a shrub with a few wiry branches, egg-shaped to triangular leaves with the narrower end towards the base, and yellow flowers usually arranged singly in leaf axils with eighteen to twenty stamens arranged around two densely scaly carpels.

References

↑ "Hibbertia acuminata". Australian Plant Census. Retrieved 20 March 2021.
1 2 3 4 Conn, Barry J. (1990). "New species of Hibbertia (Andr.) (Dilleniaceae) in New South Wales, Australia" (PDF). Muelleria. 7 (2): 290–291. Retrieved 21 March 2021.
1 2 "Hibbertia acuminata". Royal Botanic Garden Sydney. Retrieved 21 March 2021.
↑ "Hibbertia acuminata". APNI. Retrieved 21 March 2021.
↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 127. ISBN 9780958034180.

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[APC-1] "Hibbertia acuminata". Australian Plant Census. Retrieved 20 March 2021.

[Conn-2] 1 2 3 4 Conn, Barry J. (1990). "New species of Hibbertia (Andr.) (Dilleniaceae) in New South Wales, Australia" (PDF). Muelleria. 7 (2): 290–291. Retrieved 21 March 2021.

[RBGS-3] 1 2 "Hibbertia acuminata". Royal Botanic Garden Sydney. Retrieved 21 March 2021.

[APNI-4] "Hibbertia acuminata". APNI. Retrieved 21 March 2021.

[Sharr-5] Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 127. ISBN 9780958034180.

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