Citation: S.T. Blake, Proc. R. Soc. Qld 49:155 (1938).

Synonymy: Not Applicable

Common name: Ribbed spike-rush.

Description:
Rhizomes creeping; stems tufted, erect or oblique, flat or slightly concave to slightly convex on one side, to 80 cm high, striate; uppermost leaf sheath discoloured, thickened or truncate or subtruncate at the mouth, with a mucro 1.5-3 mm long.

Spikelet narrowly cylindrical, mostly 10-15 mm long; glumes ovate, acute, c. 3.5 mm long, faintly keeled, with broad hyaline margins; stamens 3.

Nut obovoid, 1.2-1.6 x c. 1 mm, biconvex, swollen, margins slightly ribbed, minutely punctulate or wrinkled, at length shiny and brown; style base triangular or ovate, compressed, pallid, cellular, often hispidulous at the base, about half as long and wide as the nut; hypogynous bristles 6-8, reaching approximately to the top of the style base.

Published illustration: Cunningham et al. (1982) Plants of western New South Wales, p. 165.

Distribution:  S.Aust.: LE.   Qld; N.S.W. Conservation status: native Flowering time: not available.

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

Biology: Blake (1938) considered this species to be difficult to distinguish from E. acura.

Author: Not yet available