Schoenus apogon Roem. & Schult.

Common Bog-rush

in Room. & Schult., Syst. Veg. 2: 77 (1817) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Tufted annual or possibly perennial. Culms erect, terete, striate, nodeless or 1-noded, 3–25(–55) cm high, 0.5–1.2 mm diam. Leaves with blade to 15 cm long; sheath straw-coloured to dark red-brown, striate, ± shining; mouth glabrous; ligule present. Inflorescence of 1 loosely hemispherical cluster of 6–16 spikelets, usually with 1–4 clusters below, erect, 1–15 cm long; lowest involucral bract to 17 cm long. Spikelets narrow-ovate, acute, 1–3-flowered, 2.5–7.5 mm long; glumes 4–6, lowest 2–4 empty, acute, red-brown to blackish, shining, with glabrous margins, midvein often scabrous; fertile glumes 2.0–5.5 mm long; hypogynous bristles 5 or 6, not plumose, shorter than or equalling nut. Nut trigonous, obovoid to subglobose, 3-ribbed, reticulate-pitted to trabeculate, glabrous, shining, whitish, 1.0–1.2 mm long, 0.6–0.8 mm diam. Flowers spring–summer.

Brid, CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HFE, HNF, HSF, LoM, MonT, MuF, MuM, NIS, OtP, OtR, SnM, Strz, VAlp, VRiv, VVP, WaP, WPro, Wim. Also SA, Qld, NSW, ACT, Tas. New Zealand, Japan. Mostly in seasonally damp or wet habitats, but reduced annual forms occur in some drier situations. A variable species, which may include more than one taxon.

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 apogon in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Schoenus apogon 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
Victorian Riverina present native
Murray Fans 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
Northern Inland Slopes present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Wilsons Promontory present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Otway Ranges present native
Strzelecki Ranges present native
Monaro Tablelands present native
Highlands-Far East present native
Victorian Alps present native
Snowy Mountains present native

State distribution

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