Asperula subsimplex Hook.f.

Water Woodruff

London J. Bot. 6: 463 (1847) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Prostrate or decumbent perennial; stems slender, to 30 cm long, usually glabrous. Leaves and stipules sessile, c. equal, in whorls of 4, linear to linear-lanceolate, mostly 4–12 mm long and to c. 1 mm wide, acute, surfaces virtually glabrous, margins flat or slightly recurved, sometimes with a few tiny curved hairs. Inflorescences terminal cymes, mostly 3–5-flowered, usually longer than leaves. Corolla 1.5–3 mm long on male and female flowers, white; corolla-tube c. as long as lobes. Fruit deeply 2-lobed; mericarps reniform, c. 2 mm long, rugose, brown. Flowers Oct.–Feb.

Brid, CVU, DunT, EGL, EGU, GipP, Glep, HNF, HSF, MonT, MuF, OtP, OtR, SnM, VRiv, VVP, WaP. Also SA, Tas. Scattered mainly across southern Victoria, but with outlying occurrences (e.g. Barmah Forest, Wonnangatta Valley, Nunniong Plataeau, Bendoc); usually around margins of freshwater swamps or watercourses, occasionally aquatic (recorded in water to 2 m deep).

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: Neville Walsh, 2016-09-15
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Gentianales
family Rubiaceae
genus Asperula
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Asperula subsimplex in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Asperula subsimplex in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
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
Central Victorian Uplands present native
Dundas Tablelands present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Otway Ranges present native
Monaro Tablelands present native
Snowy Mountains present native

State distribution

Distribution map
South Australia
New South Wales