Nees in Lehm., Pl. Preiss 2:73 (1846).
Synonymy: Not Applicable
Common name: Black bristle-rush.
Stems slender but wiry, c. 1 mm thick, c. 30 cm high, from a creeping rhizome; leaves basal, the inner stem-like, the outer reduced to sheathing bases.
Inflorescence a dense globular reddish-black head 10-12 mm diam., with a long slender stiff erect involucral bract; spikelets obconical, c. 3.5 mm long; the male flowers 10-12, each enclosed in a reddish 3-toothed ciliate glume.
Nut obovoid-cuneate, almost globular, 2-2.5 x c. 1.3 mm, muricate and minutely pubescent between the longitudinal ribs, light-brown, dull.
Grows in wet places.
S.Aust.: EP, NL, MU, YP, SL, KI, SE. All States except the N.T. and Qld.
Flowering time: Aug. — Nov. and April — May.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
A second undescribed species, also in Vic. and Tas., in some ways resembling C. cymbaria R. Br. has been collected in the SE near Kingston and Glencoe. The stems are 3-6 mm thick but hollow and easily compressed and up to 1 m or more high. It grows in wet places and flowers have been recorded in March and Oct.
Not yet available