Vahl, Enum. Pl. 2:288 (1805/6).
Synonymy: Scirpus aestivalis Retz., Obs. Bot. 4:12 (1786/7).
Common name: Summer fringe-rush.
Tufted annual, to 20 cm high; stems filiform, smooth; leaves shorter than the stems, filiform, densely softly hairy; ligule absent.
Inflorescence usually compound, loose, 1-7 cm long, with many spikelets; involucral bracts up to 6, similar to the leaves, the lower 1 or 2 somewhat shorter than the inflorescence or slightly overtopping it; spikelets solitary, ovoid or oblong-lanceolate, acute, densely many-flowered, greenish-brown, 3-7 mm long, 1-1.5 mm broad; glumes; 1.5 mm long, with an obscurely 3-nerved keel and prominent mid-nerve, mucronulate; stamen 1; style flat, sparsely ciliate at the top, glabrous or with a few short cilia at the base, 0.5-0.7 mm long.
Nut obovate, 0.5-0.7 mm long, smooth or nearly so, shining.
Grows in damp places.
S.Aust.: MU, SL. All mainland States. Asia.
Flowering time: March (1 record).
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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