Carex austrosulcata K.L.Wilson

Small Hook-sedge

Bot. J. Linn. Soc. 179: 29 (2015) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: vulnerable (v)

Tufted perennial with short rhizome. Culms trigonous, stiff, smooth, 10–15 cm high, 1–1.3 mm diam. Leaves stiff, erect, U- to crescent-shaped in cross-section, thickish, often longer than culms, 1–1.7 mm wide. Inflorescence ± dense, 1.5–3 cm long including male portion 5–14 mm long; female glumes deciduous, acute, chartaceous, straw-coloured, 5.2–6.7 mm long; stamens 3; utricles trigonous, ovoid to ellipsoid, gradually narrowing to base, smooth and obliquely spreading at maturity, yellow-brown, shining, shorter than glumes, 4.5–5.5 mm long, 1.8–2.1 mm diam.; rachilla produced far beyond mouth of utricle, strongly hooked at the top. Nut ellipsoid, dark brown, glistening, minutely pustulate, c. 3 mm long, c. 2 mm diam. Flowers summer.

VAlp. Also NSW. Recorded only from alpine grassland on the Bogong High Plains.

Of the species previously placed into Uncinia species this species is characterised by its stiff, erect, tough leaves, which are U- to crescent-shaped in cross-section.

Created by: Val Stajsic, 2015-08-27
Updated by: Val Stajsic, 2018-07-24
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Poales
family Cyperaceae
genus Carex
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Carex austrosulcata in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Carex austrosulcata in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Alps present native

State distribution

Distribution map
New South Wales