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Lepidosperma semiteres Boeckeler
Family Cyperaceae
Lepidosperma semiteres Boeckeler APNI*

Description: Tufted perennial with short rhizome. Culms rigid, erect, subterete with 1 acute, smooth, flattened margin, or irregularly angular, or biconvex with 1 margin flattened and acute (smooth or scarcely scaberulous) and the other rounded, or rarely with both margins acute and smooth, irregularly striate, glabrous, smooth, often reddish near base, 20–60(-100) cm high, 0.7–1.5 mm diam.

Leaf blades subterete to flat, shorter than culms, 1.0–2.5 mm wide, or occasionally reduced; sheath straw-coloured, often with reddish tinges, to grey-brown, not viscid, ± dull.

Inflorescence ovate to oblong in outline, erect, 2–6 cm long, 1–2.5 cm diam.; involucral bract shorter than inflorescence. Spikelets ± few, 6–9 mm long. Glumes 4–6, scaberulous, red-brown to grey-brown; 3 lowest empty, shorter than fertile, obtuse to acute; fertile 5–7.5 mm long, acute to long-acute. Scales 6, a fifth to half the length of nut, whitish. Anthers 1.5–3.5 mm long, excluding appendage 0.4–1.3 mm long.

Nut narrow-ellipsoid to obovoid, 3.0–4.0 mm long, 1.3–1.8 mm diam., straw-coloured to olive-green, shining.


Flowering: Spring–summer.

Distribution and occurrence: Grows in coastal headland heath and inland heath, woodland and open forest, on sandy soils; in the Budawang Ra. and the Nadgee area.
NSW subdivisions: SC
Other Australian states: Vic. S.A.
AVH map***

Text by K. L. Wilson
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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