Rhizomatous, perennial, herb (sedge-like), 0.12-0.3 m high. Fl. Sep to Nov. Sand & sandy peat. Dry & seasonally inundated areas.
Beard’s Provinces: South-West Province.
IBRA Regions: Esperance Plains, Jarrah Forest, Warren.
IBRA Subregions: Fitzgerald, Southern Jarrah Forest, Warren.
Local Government Areas (LGAs): Albany, Bridgetown-Greenbushes, Busselton, Cranbrook, Denmark, Gnowangerup, Jerramungup, Manjimup, Nannup, Plantagenet.
Rhizomes spreading or tufted, glabrous. Basal sheath glabrous, dull, striate. Culms terete, internal structure (at base of culm) hollow, glabrous, not striate, not marbled, not fasciculate. Culm 180-345 mm long. Sheaths (including blade) spreading, dull, striate, glabrous, margins not translucent. Apex elongated, glabrous. Dioecious (with separate male and female plants). Male and female inflorescences similar, posture (male inflorescences only) More or less erect, Culms unbranched below the inflorescence. Male spikelet 4.5-5.6 mm long. Subtending bract glabrous, Outer bract (2.6-)3.2 mm long, margins firm and opaque, Apex acute. Perianth glabrous. 4.5-5 mm long. Inner bract glabrous, margins firm and opaque, Apex acute. Inner bract 3.6-5 mm long. Filament 2-2.2 mm long. Anther 2-2.7 mm long. Female spikelet 4.2-7.5 mm long. Subtending bract glabrous, margins firm and opaque, Apex acute. Outer bract 2.8-3.2 mm long. Perianth glabrous. 3.8-4.8 mm long. Inner bracts 3.7-6 mm long, glabrous, margins firm and opaque, Apex acute. Style three (or three-branched). 3.5-4.5 mm long. Fruit trilocular (capsule). Flowering Time September or October. Botanical Province South-West, IBRA Bioregions Swan Coastal Plain, Jarrah Forest, Warren or Esperance.
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Western Australian Herbarium (1998–). FloraBase—the Western Australian Flora. Department of Biodiversity, Conservation and Attractions. https://florabase.dpaw.wa.gov.au/