Common name: Swamp Mazus
Mazus pumilio R.Br. APNI*
Description: Low perennial herb forming rosettes connected by rhizomes, glabrous or with scattered to ± dense non-glandular 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 or ± 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, at least sometimes white; palate yellow or possibly white.
Capsule possibly indehiscent, ellipsoid, 5–7 mm long, enclosed or slightly exserted from persistent calyx.
Distribution and occurrence: Grows in or on margins of swamps or boggy sites.
NSW subdivisions: NC, CC, SC
Other Australian states: Qld Vic. Tas. S.A.
Text by W. R. Barker
Taxon concept: Flora of NSW 3 (1992)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.