Hibbertia glabriuscula

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Hibbertia glabriuscula - Wikipedia

From Wikipedia, the free encyclopedia

Hibbertia glabriuscula
Conservation status
Priority Three — Poorly Known Taxa (DEC)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Dilleniales
Family:	Dilleniaceae
Genus:	Hibbertia
Species:	H. glabriuscula
Binomial name
*Hibbertia glabriuscula* J.R.Wheeler^[1]

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.

Description

Hibbertia glabriuscula is a erect shrub that typically grows to a height of 50 cm (20 in) with glabrous branchlets. The leaves are thick, oblong, 2–5.5 mm (0.079–0.217 in) long and 1–1.4 mm (0.039–0.055 in) wide on a short, hairy petiole with the edges rolled down and obscuring the lower surface. The flowers are 10–20 mm (0.39–0.79 in) wide, borne singly on the ends of branchlets on a peduncle 1–3 mm (0.039–0.118 in) long with narrow elliptic bracts 1–3.5 mm (0.039–0.138 in) long. The five sepals are joined at the base, elliptic and 5–7 mm (0.20–0.28 in) long. The five petals are yellow, egg-shaped with the narrower end towards the base, 6–10 mm (0.24–0.39 in) long with a notch at the tip. There are six to twelve stamens arranged around the two carpels, each carpel containing four to six ovules. Flowering has been observed in September.^[2]^[3]

Taxonomy

Hibbertia glabriuscula was first formally described in 1994 by Judy Wheeler in the journal Nuytsia from specimens she collected south of Carrabin in 1989.^[4] The specific epithet (glabriuscula) is the diminutive of the Latin word "glaber" meaning glabrous, referring to the absence of long hairs on the sepals and bracts, compared to those on the close relative H. drummondii.^[2]^[5]

Distribution and habitat

This hibbertia grows in sandy soil in heath and shrubland and has only been recorded near Carrabin in the Avon Wheatbelt and Mallee biogeographic regions of south-western Western Australia.^[2]^[3]

Conservation status

Hibbertia glabriuscula is classified as "Priority Three" by the Government of Western Australia Department of Parks and Wildlife^[3] meaning that it is poorly known and known from only a few locations but is not under imminent threat.^[6]

References

^ "Hibbertia glabriuscula". Australian Plant Census. Retrieved 16 June 2021.
^ ^a ^b ^c Wheeler, Judith R. (1994). "New species of Hibbertia (Dilleniaceae) from the northern wheatbelt area of Western Australia". Nuytsia. 9 (3): 430–432. Retrieved 16 June 2021.
^ ^a ^b ^c "Goodenia glabriuscula". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
^ "Hibbertia glabriuscula". APNI. Retrieved 16 June 2021.
^ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 206. ISBN 9780958034180.
^ "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 16 June 2021.

Taxon identifiers
Hibbertia glabriuscula	Wikidata: Q17395200 APNI: 158302 FloraBase: 14457 GBIF: 5680703 IPNI: 978114-1 Open Tree of Life: 6040530 POWO: urn:lsid:ipni.org:names:978114-1 Tropicos: 50191185 WFO: wfo-0000721991

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Description

Taxonomy

Distribution and habitat

Conservation status

See also

References