Austrostipa stuposa (Hughes) S.W.L.Jacobs
& J.Everett. Telopea 6: 589 (1996).
Classification.
(GPWG 2001) : Subfamily Pooideae. Tribe Stipeae.
Basionym and/or
Replacement Name: Stipa stuposa
Bull. Misc. Inform. Kew 1921: 20f, 24 & 24A (1921).
Type of Basionym or
Protologue Information: HT: Gunn 1480, 5 Jan 1840, Australia:
Tasmania: New Norfolk (K(photo, CANB)).
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 (104), [2008] S.W.L.Jacobs, R.D.B.Walley & D.J.B.Wheeler, Grasses
of New South Wales (160), [2009] A.Wilson (ed.). Flora of Australia,
Vol 44A. Poaceae 2 (21).
Illustrations:
[2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South Australia (104, Fig. 67), [2008] S.W.L.Jacobs,
R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South Wales, 4th edn
(160), [2009]. A.Wilson (ed.), Flora of Australia 44A: Poaceae 2
(18, Fig.2).
Habit.
Perennial. Culms erect or geniculately ascending, 80–140 cm tall, 2–3.5 mm
diam., 3–5 -noded. Mid-culm nodes pubescent. Leaf-sheaths glabrous on surface
or hairy. Ligule a fringed membrane, a ciliate membrane, 0.3–1 mm long,
membranous, truncate. Leaf-blades involute or convolute, 19–30 cm long, 2–5 mm
wide. Leaf-blade surface indumented.
Inflorescence.
Inflorescence compound, a panicle. Panicle linear, 17–35 cm long, 7 cm wide.
Spikelets.
Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), without rachilla extension, lanceolate, terete, 18–24 mm long.
Glumes. Glumes
similar, thinner than fertile lemma. Lower glume lanceolate, membranous,
without keels, 3 -nerved. Upper glume lanceolate, 12–20 mm long, membranous,
without keels, 5 -nerved. Upper glume surface scabrous.
Florets.
Fertile lemma 7.6–11.5 mm long, without keel. Lemma surface indumented. Lemma
apex entire or lobed, awned, 1 -awned. Median (principal) awn 45–70 mm long
overall, with a twisted column. Column 19–36 mm long. Palea without keels.
Lodicules present. Grain 4–5 mm long.
Continental
Distribution: Australasia.
Australian
Distribution: South Australia, New South Wales, Victoria, Tasmania.
South Australia:
Eyre Peninsula, Southern Lofty, South-eastern. New South Wales: South
Coast, South-Western Plains. Victoria: East Gippsland, Gippsland Plain,
Midlands, Otway Plain, Volcanic Plain, Wimmera. Tasmania: North East,
Central Highlands, Midlands, East Coast.
Notes. Scattered through
southern New South Wales, Victoria and South Australia, common in Tasmania.
