Fl. Australia 28: 315 (1996) APNI
Annual herb, often aquatic, erect, glabrous except for scattered hairs on adaxial surface of involucre; terrestrial form to c. 5 cm high; aquatic form to c. 15 cm high. Leaves linear to very narrowly ovate, 2.5–12 mm long, 0.2–1.2 mm wide (in aquatic forms filiform and to 20 mm long). Inflorescence of axillary and terminal solitary flowers; peduncles to 32 mm long; involucre obscurely 6-veined, tube 1.5–3 mm long, lobes 0.4–1.1 mm long. Corolla 1.4–1.7 mm long, lobes c. half as long as tube; stamens c. 0.5 mm long, anthers minutely apiculate; styles separate. Capsule 2–2.5 mm long; seeds brown, reticulate. Flowers and fruits Oct.–Jun.
CVU, DunT, GipP, Glep, Gold, GGr, HSF, LoM, OtP, VVP, Wim. Also SA, Tas. In lowland sedgelands and wet sandy flats in open-heath and woodlands. Often in waterlogged soils or in shallow water.
|Bioregion||Occurrence status||Establishment means|
|Victorian Volcanic Plain||present||native|
|Central Victorian Uplands||present||native|
|New South Wales|