Mazus pumilio R.Br.

Swamp Mazus

Prodr. 439 (1810) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Low perennial herb forming rosettes connected by rhizomes, glabrous or with scattered to somewhat dense eglandular hairs (at least on leaves and rachis). Leaves obovate to spathulate, lamina 0.8–5.5 cm long, 2.5–18 mm wide, margins toothed, sinuate or almost entire, often undulate, surfaces discolorous; petiole 3–30 mm long. Flowers usually 1–4 on erect scapiform rachis 1–14 cm long; bracts absent or caducous; bracteoles to 4 mm long; pedicels 0.5–4 cm long. Calyx 2.5–5.5 mm long, teeth 1–2.5 mm long; corolla 7.5–12 mm long, pale blue to purple, tube usually 5–8 mm long, pale to white, palate flecked or entirely yellow or possibly white. Capsule possibly indehiscent, ellipsoid, 5–7 mm long, enclosed or slightly exserted from persistent calyx. Flowers Sep.–Apr.

CVU, DunT, EGL, EGU, GipP, Glep, GGr, HSF, MonT, OtP, VAlp, VRiv, VVP, WaP, WPro. Also SA, Qld, NSW, Tas. New Zealand. Widespread mostly in near-coastal areas, in or around margins of swamps or on poorly-drained ground, usually in heathland, heathy woodland or grassland communities.

Source: Barker, W.R. (1999). Scrophulariaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Updated by: Daniel Ohlsen, 2017-06-14
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Lamiales
family Phrymaceae
genus Mazus
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Mazus pumilio in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Mazus pumilio in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
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
Central Victorian Uplands 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
Monaro Tablelands present native
Victorian Alps present native

State distribution

Distribution map
South Australia
New South Wales
Australian Capital Territory