L., Sp. Pl. 327 (1753).
Synonymy: J. lampocarpus Ehrh., Colare. 126 (1785-93).
Common name: Jointed rush.
Perennial, with a creeping rootstock, 15-50 cm high; stems stiff, slender; leaves mostly on the stem, the sheaths with 2 obtuse auricles at the summit, or almost ligulate, the blades laterally compressed, c. 1 mm broad, hollow and distinctly and completely septate.
Flowers dark-coloured, 2-10, rarely more, in globular clusters of 5-8 mm diam., forming a loose cymose panicle 3-15 cm long, much surpassing the small leafy bracts at its base; perianth-segments equal, c. 3 mm long, the outer ones acute, the inner subobtuse; stamens 6.
Capsule dark, shining, abruptly mucronate, longer than the perianth; seeds ovoid, tailless.
Cunningham et al. (1982) Plants of western New South Wales, p. 177; Ross-Craig (1973) Drawings Brit. Pl. 30:19.
Occurs in wet places especially on acid soils.
S.Aust.: FR, NL, MU, SL, KI, SE. W.Aust.; N.S.W.; Vic.; Tas. New Zealand; native to Eurasia and the Americas.
Flowering time: throughout the year.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Not yet available