Baumea acuta (Labill.) Palla

Pale Twig-rush

Allg. Bot. Z. Syst. 8: 69 (1902) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Slender tufted perennial with long rhizome. Culms rigid, flat to biconvex, nodeless, ± striate, glabrous, smooth, 15–35 cm high, 0.8–1.5 mm diam. Leaves basal; blade flat to biconvex, shorter than to exceeding culms, 0.7–2.5 mm wide; sheath straw-coloured to pale red-brown, dull. Inflorescence oblong in outline, narrow, erect, 2–6(–14) cm long, c. 1 cm diam.; lowest involucral bract shorter than to exceeding inflorescence. Spikelets few, 1-flowered, 4.5–6 mm long; glumes 3 or 4, acute, red-brown, margins ciliate or glabrous; fertile glumes 4–5 mm long. Nut obovoid to ellipsoid, irregularly wrinkled to smooth or minutely reticulate or colliculate, minutely hispid at apex, ± shining, red-brown to black, 1.5–2.2 mm long, 1.0–1.3 mm diam. Flowers spring–summer.

CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HSF, LoM, OtP, OtR, Strz, VVP, WaP, WPro, Wim. All states except NT. Occurs on sandy soils in swamps and damp heaths.

The mature nuts are often held by their associated glume and the persistent stamen filaments. This also occurs in Baumea gunnii and in Gahnia.

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, 2018-06-20
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Poales
family Cyperaceae
genus Baumea
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Baumea acuta in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Baumea acuta in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan 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
East Gippsland Lowlands present native
East Gippsland Uplands present native
Wilsons Promontory present native
Highlands-Southern Fall present native
Otway Ranges present native
Strzelecki Ranges present native

State distribution

Distribution map
Western Australia
South Australia
New South Wales
Australian Capital Territory