Poa sallacustris N.G. Walsh. Muelleria 7: 379 (1991).
Classification. (GPWG 2001) : Subfamily Pooideae. Tribe Poeae.
Type of Basionym or
Protologue Information: Australia: Victoria: Lake Corangamite, SW of
Causeway and Lake Martin, 11.5 km SW of Cressy, 27 km NNW of Colac P.O., 12 Sep
1977, Beauglehole & Hirth 56460 (HT: MEL; IT: BRI, NSW).
Key references
(books and floras): [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
Australia, [2009] A.Wilson (ed.). Flora of Australia, Vol 44A. Poaceae
2 (315).
Habit.
Perennial. Rhizomes present, elongated. Culms erect or geniculately ascending,
15–31 cm tall. Lateral branches simple. Leaves cauline. Ligule an eciliate
membrane, 1–3.5 mm long, abaxially hairy, obtuse or acute. Leaf-blades
conduplicate, 6–12 cm long, 0.5–2 mm wide. Leaf-blade surface smooth, glabrous.
Inflorescence.
Inflorescence compound, a panicle. Panicle ovate, 5–10 cm long, 3–7 cm wide.
Spikelets.
Spikelets pedicelled. Fertile spikelets many flowered, with at least 2 fertile
florets (3–6), comprising 3–6 fertile floret(s), with diminished florets at the
apex, oblong, laterally compressed, 4.3–8 mm long.
Glumes. Glumes
similar. Lower glume lanceolate, membranous, keeled, 1-keeled, 3 -nerved. Upper
glume lanceolate, 2.8–3.8 mm long, membranous, keeled, 1-keeled, 3 -nerved.
Florets.
Fertile lemma 3–3.8 mm long, keeled, 5 -nerved. Lodicules present. Anthers 3.
Continental
Distribution: Australasia.
Australian
Distribution: Victoria.
Victoria: Volcanic
Plain.
Notes.
Closely related to P. fordeana.
Endemic.
On the volcanic plain between Colac and Hamilton W of Melbourne, Vic. Grows on
the margins of salt lakes. Flowers Sept.-Dec. Fruits Jan.-?.
