Chorizandra enodis Nees

Black Bristle-rush

in Lehm., Pl. Preiss. 2: 73 (1846) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Perennial with slender but tough rhizome. Culms 20–55 cm high, 1.0–1.5 mm diam., pluritubular, transverse septa rarely obvious externally, grey-green, longitudinally striate but not warty. Inner leaf-blades shorter than or exceeding culms, more slender than to about same diameter as culms, pluritubular; sheaths tight, pale brown, often purplish above, to 7 cm long. Inflorescence globose, 7–15 mm diam., with numerous pseudospikelets; core cylindric to globose. Involucral bract to 20 cm long, pluritubular; base with hyaline margin, scarcely enlarged, not sheathing inflorescence. Pseudospikelets with 13–20 glumes, c. 10–17 stamens; glumes spathulate to ligulate, not keeled, dark red-brown and usually white-ciliate towards apex, red-ciliate on margin, 3–3.5 mm long; apex 3-fid with mucro to 0.8 mm long or irregularly toothed and broad-acute to obtuse. Nut with 8–9 longitudinal ridges, pitted between ridges, minutely papillose as seen with a hand-lens, very dark red-brown to dark grey-brown, 2.5–3.0 mm long, 1.6–1.7 mm diam. Flowers spring–summer.

CVU, DunT, GipP, Glep, Gold, GGr, LoM, MuM, OtP, VVP, WaP, Wim. Also coastal Qld, NSW. In damp situations, both natural and man-made (such as roadside drains) in western Victoria, extending farther north (to the Big Desert) than other members of the genus.

Source: Wilson, K.L. (1994). Cyperaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2018-12-28
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Poales
family Cyperaceae
genus Chorizandra
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Chorizandra enodis in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Chorizandra enodis in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Glenelg Plain present native
Victorian Volcanic Plain present native
Gippsland Plain present native
Otway Plain present native
Warrnambool Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Dundas Tablelands present native

State distribution

Distribution map
Western Australia
South Australia