Citation: R. Br., Prod. Fl. Nov. Holl. 259 (1810).

Synonymy: J. prismatocarpus sensu J. Black, Fl.S. Aust. 183 (1943), partly, non R.Br.

Common name: Joint-leaved rush.

Description:
Perennial; shortly rhizomatous; stems usually less than 45 cm high and 1.5-3 mm diam.; leaves on stem and basal, the sheath with 2 obtuse auricles at the summit, numerous, usually at least as long as the stem, terete or slightly compressed, 2-4 mm wide, hollow and distinctly and transversely septate.

Flowers light-coloured, usually 10-20 in clusters, forming a loose cymose particle much surpassing the small leafy bracts at its base, perianth-segments equal, 3-4 mm long, acuminate; stamens 6.

Capsule pale-coloured, acute, equal to or longer than the perianth.

Published illustration: Cunningham et al. (1982) Plants of western New South Wales, p. 178.

Distribution:  Grows in damp grassland and along the edge of water. S.Aust.: FR, EP, NL, MU, SL, SE.   All States except the N.T. and Qld.   New Zealand. Conservation status: native Flowering time: mainly in summer.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: No text

Taxonomic notes: Black's (1943) J. prismatocarpus was a mixture of this species (mainly) and of true J. prismatocarpus.

Author: Not yet available