Cyperochloa hirsuta M. Lazarides & L. Watson. Brunonia 9: 216 (1986).
Classification. (GPWG 2001) : Subfamily Arundinoideae. Tribe
Type of Basionym or
Protologue Information: Australia:
Western Australia: Esperance Botanical Region
(Barlow 1986): 8 km W of Bluff Knoll, Stirling
Range, 20 Oct 1983, Keighery 7011
(HT: PERTH; IT:
(books and floras):  D.Sharp & B.K.Simon, AusGrass, Grasses of
Perennial. Rhizomes present, elongated. Culms 7–50 cm tall, wiry. Mid-culm
internodes solid. Lateral branches simple. Ligule a fringe of hairs, 0.6–0.8 mm
long. Leaf-blades filiform, involute or convolute, 3–7 cm long, 0.8–2 mm wide.
Leaf-blade surface scabrous.
Inflorescence digitate, of only a few spikelets. Peduncle brief, the
infloresence subsessile. Panicle 1–1.5 cm long.
Spikelets sessile. Fertile spikelets many flowered, with at least 2 fertile
florets (4–9), comprising 4–9 fertile floret(s), with diminished florets at the
apex, ovate, laterally compressed, 7–9 mm long.
similar. Lower glume ovate, membranous or cartilaginous, without keels or
keeled, 1-keeled, 3–5 -nerved. Lower glume surface indumented. Upper glume
ovate, 2.6–3.6 mm long, membranous or cartilaginous, keeled, 1-keeled, 3–5
-nerved. Upper glume surface smooth or asperulous, indumented.
Fertile lemma 3.5–5 mm long, keeled, 5–7 -nerved. Lemma surface indumented.
Lodicules present. Anthers 3. Grain 1.5–2 mm long.
Distribution: Western Australia.
Western Australia: Eyre.
W.A. endemic, known from the Fitzgerald
River and Stirling Ranges
National Parks, sandy
depressions, often seasonally waterlogged, in mallee country. Flowers Oct. to