Baumea juncea (R.Br.) Palla

Bare Twig-rush

Allg. Bot. Z. Syst. 15: 113 (1909) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Slender perennial with long rhizome. Culms rigid, terete, 1–3-noded, striate, glabrous, smooth, 20–90 cm high, 1.0–2.0 mm diam. Leaves basal and cauline; blade reduced to short erect flattened mucro; sheath straw-coloured to pale reddish or grey-brown, dull. Inflorescence oblong to ovate in outline, narrow, erect, 1–8 cm long, to 1 cm diam.; lowest involucral bract shorter than inflorescence. Spikelets few, 1-flowered, 3–6 mm long; glumes 4 or 5, acute to long-acute, red-brown to grey-brown, margins glabrous, keel minutely scabrous; fertile glumes 3–5 mm long. Nut obovoid to globose, smooth with scattered pits, hispid at apex, shining, dark red-brown to black, 2.3–3.0 mm long, 1.5–2.0 mm diam. Flowers spring–summer.

Brid, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HSF, LoM, MuM, OtP, VVP, WaP, WPro, Wim. All States (including Lord Howe Is.) except NT. New Zealand, New Caledonia. In brackish lowland swamps and near-coastal saltmarsh, on sandy or dark silty soils.

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 juncea in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Baumea juncea in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Glenelg Plain present native
Bridgewater present native
Victorian Volcanic Plain present native
Gippsland Plain present native
Otway Plain present native
Warrnambool Plain present native
Goldfields 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

State distribution

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