Opercularia ovata Hook.f.

Broad-leaf Stinkweed

London J. Bot. 6: 465 (1847) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Decumbent herb or subshrub, rhizomatous; branches to 30 cm long, usually glabrous, sometimes sparsely pubescent. Leaves lanceolate to ovate, mostly 7–20 mm long and 3–10 mm wide, glossy, usually acute, glabrous or with scattered hairs on upper surface and midrib below, lateral venation usually apparent on lower surface; margins flat to recurved; petiole 1–4 mm long. Inflorescences axillary and terminal 10–20-flowered spherical heads; peduncles mostly 2–10 mm long, recurved, shorter than subtending leaves. Flowers bisexual; calyx-lobes lanceolate, 1–3 mm long, ciliate; corolla 2–4 mm long. Capsules dehiscing by an oblique abscission leaving a star-shaped cavity when seeds shed; seeds compressed-ovoid, 2–4 mm long, outer surface smooth and greyish, inner surface with 2 smooth longitudinal ridges, smooth or rugulose. Flowers Sep.–Dec.

CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HNF, HSF, NIS, OtP, OtR, Strz, VRiv, VVP, WaP, WPro, Wim. Also SA, Tas. In Victoria widespread mainly across the south, often on moist heavy soils in grassland, open-forest and woodland. Rather rare north of the Dividing Range.

See note under Opercularia varia.

Source: Jeanes, J.A. (1999). Rubiaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2018-02-23
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Gentianales
family Rubiaceae
genus Opercularia
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Opercularia ovata in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Opercularia ovata in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Wimmera present native
Glenelg Plain present native
Victorian Volcanic Plain present native
Victorian Riverina 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

State distribution

Distribution map
South Australia
New South Wales