''Clematicissus angustissima'' is a vine in the

Vitaceae The Vitaceae are a family of flowering plants, with 14 genera and around 910 known species, including common plants such as grapevines (''Vitis'' spp.) and Virginia creeper (''Parthenocissus quinquefolia''). The family name is derived from the ge ...

family, endemic to the

Geraldton Geraldton (Wajarri: ''Jambinu'', Wilunyu: ''Jambinbirri'') is a coastal city in the Mid West region of the Australian state of Western Australia, north of the state capital, Perth. At June 2018, Geraldton had an urban population of 37,648. ...

area of

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...

. The species was first described as ''

Vitis ''Vitis'' (grapevine) is a genus of 79 accepted species of vining plants in the flowering plant family Vitaceae. The genus is made up of species predominantly from the Northern Hemisphere. It is economically important as the source of grapes, b ...

angustissima'' in 1859 by

Ferdinand von Mueller Baron Sir Ferdinand Jacob Heinrich von Mueller, (german: Müller; 30 June 1825 – 10 October 1896) was a German-Australian physician, geographer, and most notably, a botanist. He was appointed government botanist for the then colony of Vict ...

, from a specimen collected by Oldfield on the Murchison River. In 1887 Jules Planchon reassigned it to his newly described genus, ''

Clematicissus ''Clematicissus'' is a plant genus in the family Vitaceae The Vitaceae are a family of flowering plants, with 14 genera and around 910 known species, including common plants such as grapevines (''Vitis'' spp.) and Virginia creeper (''Parthenoc ...

,'' with ''Clematicussus angustissima'' being the type species.

Description

''C. angustissima'' is a deciduous vine growing from numerous tubers. The tendrils are leaf-opposed and the five-palmate (3-7) leaves can be entire or deeply indented. The inflorescence is leaf-opposed and multi-flowered with congested heads. Both calyx and corolla are five-lobed. The berries are fleshy and purplish-black to black when mature.

Habitat

It is found in woodlands, generally on sand or loam.

References

{{Taxonbar, from=Q15565036 Vines Vitaceae Plants described in 1859 Taxa named by Ferdinand von Mueller Flora of Western Australia