Lepidosperma quadrangulatum A.A.Ham. APNI* 
Description: Tufted perennial with short rhizome. Culms rigid, erect, strongly 4-angled (but may be more rounded near base or apex), faces often concave, usually striate especially on the angles, grey-green to glaucous, glabrous, smooth, 45–150 cm high, 1.5–2.5 mm diam.; margins smooth.
Leaves similar in form to culms but shorter, 1.3–2.5 mm wide; sheath yellow-brown to dark brown, not viscid, dull.
Inflorescence ovate or oblong in outline, erect, dense, 2–8 cm long, 1–2 cm diam.; involucral bract shorter than inflorescence. Spikelets ± few, densely clustered, 5–7 mm long. Glumes 5–7, glabrous or scabrous, red-brown to grey-brown; 2 or 3 lowest empty, somewhat shorter than fertile glumes, acute, mucronate; fertile 5–6 mm long, long-acute. Scales 5 or 6, a quarter to a third the length of nut, whitish to yellowish. Anthers 2.0–4.0 mm long, excluding appendage 0.5–0.8 mm long.
Nut obovoid, 2.0–2.8 mm long, 1.0–1.6 mm diam., white to yellow-brown, smooth or wrinkled, shining.
Flowering: Spring–summer.
Distribution and occurrence: Grows in coastal wet heath or swamp-forest; north from Jervis Bay.
NSW subdivisions: NC, CC, SC
Other Australian states: Qld
Text by K. L. Wilson (1993); edited KL Wilson (Aug 2014)
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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