Schoenus latelaminatus Kük.

Medusa Bog-rush

Repert. Spec. Nov. Regni Veg. 44: 88 (1938) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Leafy tufted annual. Culms weakly erect, terete, striate, nodeless, 2–20 cm high, 0.5–1.5 mm diam. Leaves with blade to 11 cm long; sheath straw-coloured to red-brown, striate, dull; mouth glabrous; ligule present. Inflorescence narrow, erect, 2–22 cm long, with 2–6 nodes, each with 1–5 spikelets; lowest involucral bract to 14 cm long. Spikelets narrow-ovate, acute, 2–6-flowered, 6–12 mm long; glumes 4–9, lowest 1 or 2 empty, acute, straw-coloured to dark red-brown, ± shining, with glabrous margins and often scabrous midvein; fertile glumes 4–8.2 mm long; hypogynous bristles absent or minute. Nut trigonous, ellipsoid, prominently 3-ribbed, reticulate-pitted, glabrous, ± shining, greyish to black-spotted or evenly pale brown, 1.2–2 mm long, 0.8–1 mm diam. Flowers spring–early summer.

CVU, DunT, GipP, Glep, Gold, GGr, HNF, HSF, LoM, MonT, MuF, MuM, NIS, VRiv, VVP, Wim. Also SA, Qld, NSW, ACT, Tas. In seasonally wet places.

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, 2018-08-28
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Poales
family Cyperaceae
genus Schoenus
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Schoenus latelaminatus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Schoenus latelaminatus 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
Victorian Riverina present native
Murray Fans present native
Gippsland Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Dundas Tablelands present native
Northern Inland Slopes present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Monaro Tablelands present native

State distribution

Distribution map
South Australia
New South Wales
Australian Capital Territory