Eriachne gardneri Hartley. J. Linn. Soc., Bot. 52: 344 (1942).
Classification. (GPWG 2001) : Subfamily Micrairoideae. Eriachneae.
Type of Basionym or
Protologue Information: HT: Gardner 3053, 17 Aug 1932, Australia:
Western Australia: Eremaean Province, Ashburton River at Minderoo, 17 Aug 1932
(K; IT: PERTH).
(books and floras):  C.A.Gardner, Flora of Western Australia 1
Gramineae (49),  D.Sharp & B.K.Simon, AusGrass, Grasses of
 K.Mallet (ed.), Flora of Australia 44B: Poaceae 3 (Fig.
Perennial. Culms erect or geniculately ascending, 30–70 cm tall, 4 -noded.
Mid-culm internodes glabrous. Mid-culm nodes bearded. Lateral branches
branched. Ligule a fringe of hairs, 1 mm long. Leaf-blades flat or convolute,
10–20 cm long, 2–5 mm wide. Leaf-blade surface scaberulous, glabrous.
Inflorescence compound, a panicle or a panicle. Panicle oblong, 5–9 cm long,
1–3 cm wide.
Spikelets pedicelled. Fertile spikelets 2-flowered, both fertile, comprising 2
fertile floret(s), without rachilla extension, ovate, laterally compressed,
7.5–10 mm long.
similar, thinner than fertile lemma. Lower glume lanceolate or ovate,
cartilaginous, much thinner on margins, without keels, 11–15 -nerved. Lower
glume surface indumented. Lower glume apex muticous or mucronate. Upper glume
lanceolate or ovate, 7–10 mm long, cartilaginous, without keels, 11–15 -nerved.
Upper glume surface indumented. Upper glume apex muticous.
Fertile lemma 7.5–10 mm long, without keel, 5–7 -nerved. Lemma surface
indumented. Lemma apex muticous. Palea 2 -nerved. Palea apex dentate, with
excurrent keel nerves. Lodicules present. Anthers 3. Grain 3–5 mm long.
Distribution: Western Australia.
Endemic. W.A. and restricted in area. Seaward face of foredune and red sand
dune. Flowers and fruits Mar. and Aug. (early-autumn and late-winter).