Poa halmaturina J. M. Black. Trans. & Proc. Roy. Soc. S. Australia 66: 248
(1942). Classification. (GPWG 2001) : Subfamily Pooideae.
Tribe Poeae.
Type of Basionym or
Protologue Information: Australia: Rocky River, Kangaroo Isl: in burnt
consolidated dumes: Dec 1940, J.B.Cleland (Tate Soc. Exped.) (HT: AD).
Key references
(books and floras): [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
Australia, [2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South
Australia (150), [2009] A.Wilson (ed.). Flora of Australia, Vol 44A.
Poaceae 2 (336).
Illustrations:
[2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South Australia (151, fig. 103).
Habit.
Perennial. Rhizomes present, elongated. Culms erect, 5–12 cm tall. Lateral branches
simple. Leaves mostly basal. Leaf-sheaths smooth, glabrous on surface. Ligule a
fringed membrane, a ciliolate membrane, 0.2–0.6 mm long, abaxially hairy,
truncate. Leaf-blades erect, curved, aciculate, involute or terete, 2–25 cm
long, 0.4–0.7 mm wide. Leaf-blade surface smooth, glabrous.
Inflorescence.
Inflorescence compound, a panicle. Panicle linear, 1.5–3 cm long.
Spikelets.
Spikelets pedicelled. Fertile spikelets many flowered, with at least 2 fertile
florets (2–4), comprising 2–4 fertile floret(s), with diminished florets at the
apex, oblong, laterally compressed, 3.8–5.5 mm long.
Glumes. Glumes
similar. Lower glume oblong, membranous, keeled, 1-keeled, 3 -nerved. Upper
glume oblong, 2.1–3.2 mm long, membranous, keeled, 1-keeled, 3 -nerved.
Florets.
Fertile lemma 3–3.6 mm long, keeled, 5 -nerved. Lemma surface glabrous or
indumented. Lodicules present. Anthers 3.
Continental
Distribution: Australasia.
Australian
Distribution: South Australia, Victoria, Tasmania.
South Australia:
Southern Lofty, Kangaroo Island, South-eastern. Victoria: Wannon. Tasmania:
King Island, Furneaux Group, South West.
Notes.
Seemingly differing from Poa poiformis in the long scaly rhizomes,
smaller plant and spikelet parts.
Endemic. with few
collections. Amongst sand dunes. Flowers Nov.-Feb.
