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Eleocharis atricha R.Br.
Family Cyperaceae
Eleocharis atricha R.Br. APNI*

Description: Slender tufted perennial, with slender rhizomes bearing ovoid tubers to c. 4 mm long and 2.5 mm diam.

Culms angular-sulcate, 3–40 cm high, 0.5–1 mm diam.

Spikelet narrow-ovoid to linear, often proliferating, 10–20 mm long. Glumes obtuse, narrowly keeled, 3–5 mm long, red-brown. Bristles absent. Stamens 3; anthers 1.5–2.6 mm. Style 3-fid.

Nut obscurely trigonous, narrow-obovoid, narrowed in a short neck, prominently vertically ribbed, the external cells transversely linear to oblong in 4 or 5 vertical rows on each face, 1.3–1.5 mm long, c. 0.7 mm diam., straw-coloured; style base a third to half as long as and three-quarters to four-fifths as broad as nut.

Flowering: spring–summer.

Distribution and occurrence: Widespread on tablelands, extending inland to Yetman and Albury areas.

Grows in moist situations.
NSW subdivisions: CC, NT, CT, ST, SWS, NWP
Other Australian states: Qld Vic. S.A. N.T.
AVH map***

Rarely sets fruit; it spreads by proliferating from the spikelet or producing tubers.

Text by K. L. Wilson (1993; edited 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.
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