Eragrostis australasica (Steud.) C. E.
Hubbard. Bull. Misc. Inform. 26 (1941).
(GPWG 2001) : Subfamily Chloridoideae. Cynodonteae.
Replacement Name: Glyceria
australasica Steud., Syn. Pl. Glumac. 1: 286 (1854).
Type of Basionym or
Protologue Information: HT: Drummond 387, N.
Holland (P; IT: US (fragm. ex P)).
(books and floras):  G.Bentham, Flora Australiensis 7 (659 as Glyceria
australasica),  C.A.Gardner, Flora of Western Australia 1 Gramineae
(116),  M.Lazarides in J.Jessop (ed)., Flora of Central Australia
(460),  D.Sharp & B.K.Simon, AusGrass, Grasses of Australia,
 J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South Australia
(363),  S.W.L.Jacobs, R.D.B.Walley & D.J.B.Wheeler, Grasses of New
South Wales (249).
 C.A.Gardner, Flora of Western
Australia 1 Gramineae (117, Pl. 33),
 J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South Australia (363, fig. 290),  S.W.L.Jacobs,
R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South Wales, 4th edn
Perennial. Rhizomes present. Culms erect or geniculately ascending, 100–300 cm
tall, woody. Mid-culm internodes solid. Lateral branches branched. Ligule a
fringe of hairs, 0.5–0.8 mm long. Leaf-blades straight, flat, 3–20 cm long, 2–6
Inflorescence compound, a panicle. Panicle ovate, 5–26 cm long.
Spikelets pedicelled. Fertile spikelets many flowered, with at least 2 fertile
florets (4–15), comprising 4–15 fertile floret(s), with diminished florets at
the apex, linear or oblong, laterally compressed, 5–13 mm long.
similar. Lower glume lanceolate, hyaline, without keels or keeled, 1-keeled, 0
-nerved. Upper glume oblong, 2–4 mm long, hyaline, without keels or keeled,
1-keeled, 0 -nerved.
Fertile lemma 2–3.5 mm long, keeled, 1–3 -nerved. Lemma apex muticous.
Lodicules present. Anthers 3. Grain 1 mm long.
Distribution: Western Australia, Northern Territory, South Australia,
Queensland, New South Wales, Victoria.
Western Australia: Carnegie, Helms,
Ashburton, Carnarvon, Austin. Irwin, Avon,
Coolgardie. Northern Territory: Central Australia South. South Australia:
North-western, Lake Eyre, Gairdner-Torrens Basin, Flinders Ranges, Eastern,
Eyre Peninsula, Northern Lofty, Murray. Queensland:
Gregory North, Maranoa, Warrego, Gregory South. New South Wales:
Southern Tablelands, North-Western Slopes, South-Western Slopes, North-Western
Plains, South-Western Plains, North Far Western Plains, South Far Western
Plains. Victoria: Murray Mallee.
A moderately useful fodder species; also a useful saline tolerant species.
Distinguishing characters include shrubby
habit; cane-like strongly branched culms with many knotty nodes; glabrous,
smooth, glaucous culms and foliage; linear spikelet, with vestigial terminal
floret, deciduous unequal distant florets and straight rachilla; unequal
dorsally rounded persistent glumes; persistent lemmas with the lateral nerves
one-half as long; body of palea splitting along the median, keel smooth, and
flaps as wide as body; strongly compressed, stipitate caryopsis.
distribution scattered through central and southern W.A., then more commonly S
of Alice Springs in N.T., eastern S.A. around L. Eyre, SW Qld. and E to L.
George in N.S.W. and S to Melbourne in Vic. On clayey, sometimes saline, beds
and banks of seasonally flooded swamps, lakes claypans, floodouts and watercourses,
often partly submerged.; flowers in all seasons; fruits in all seasons.