Eleocharis geniculata (L.) Roem. & Schult. APNI*
Synonyms: Eleocharis caribaea (Rottb.) S.F.Blake APNI*
Eleocharis capitata (L.) R.Br. APNI*
Description: Tufted annual.
Culms compressed-terete, grooved, to 40 cm high and to 0.7 mm diam.
Spikelets globose to ovoid, to 5 mm long. Glumes very obtuse, faintly keeled, 1.6–2 mm long, straw-coloured tinged red-brown. Bristles 6–8, usually as long as or somewhat longer than nut. Stamens 2 or 3; anthers 0.4–0.7 mm long. Style 2-fid.
Nut biconvex with faintly ribbed angles, obovoid, c. 1 mm long, c. 0.8 mm wide, shining, black; style base about one fifth as long as and about a third as broad as nut.
Distribution and occurrence: Coast north from Myall Lakes; sporadic. Also Queensland, Northern Territory, South Australia and Western Australia; pantropical.
Grows on sandy shores of coastal lakes.
NSW subdivisions: NC
Other Australian states: Qld W.A. S.A. N.T.
Text by K. L. Wilson (1993; revised Sept 2006)
Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.