Austrostipa pubinodis

Austrostipa
pubinodis
(Trin. & Rupr.)
S.W.L.Jacobs & J.Everett. Telopea 6: 588 (1996).

Classification. (GPWG 2001) : Subfamily Pooideae. Tribe Stipeae.

Basionym and/or
Replacement Name:
 Stipa pubinodis
Trin. & Rupr., Sp. Gram. Stipac. 50 (1842).

Type of Basionym or
Protologue Information
: "Terra Van Diemen" [Tasmania], Hooker
s.n.
.

Key references
(books and floras):
[2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses
of South Australia
(89), [2008] S.W.L.Jacobs, R.D.B.Walley &
D.J.B.Wheeler, Grasses of New South Wales (157), [2009] A.Wilson (ed.). Flora
of Australia
, Vol 44A. Poaceae 2 (41).

Illustrations:
[2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South Australia  (89, Fig. 51), [2008] S.W.L.Jacobs,
R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South Wales, 4th edn
(157), [2009]. A.Wilson (ed.), Flora of Australia 44A: Poaceae 2
(55, Fig 8).

Habit. Perennial.
Rhizomes present, short. Culms 60–110 cm tall, 3–5 -noded. Leaf-sheaths hairy.
Ligule an eciliate membrane, 1.5–2 mm long, obtuse. Leaf-blades filiform,
involute or convolute, 15–50 cm long, 1–2.5 mm wide. Leaf-blade surface smooth,
indumented.

Inflorescence.
Inflorescence compound, a panicle. Panicle linear, 11–26 cm long.

Spikelets.
Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), without rachilla extension, lanceolate, terete, 20–25 mm long.

Glumes. Glumes
similar, thinner than fertile lemma. Lower glume lanceolate, membranous, much
thinner above, without keels, 3 -nerved. Lower glume surface indumented. Upper
glume lanceolate, 15–21 mm long, membranous, without keels, 5 -nerved. Upper
glume surface indumented.

Florets.
Fertile lemma 11–13 mm long, without keel. Lemma surface indumented. Lemma apex
entire, awned, 1 -awned. Median (principal) awn 55–95 mm long overall, with a
twisted column. Column 30–60 mm long. Palea without keels. Lodicules present.
Anthers 3. Grain 6–7.5 mm long.

Continental
Distribution
: Australasia.

Australian
Distribution
: South Australia, New South Wales, Victoria, Tasmania.

South Australia:
Murray, Southern Lofty, Kangaroo Island, South-eastern. New South Wales:
South Coast. Victoria: East Gippsland, Eastern Highlands, Gippsland
Plain, Grampians, Lowan Mallee, Midlands, Otway Plain, Otway Range, Volcanic
Plain, Wannon. Tasmania: North West, North East, West Coast, Midlands,
East Coast, South West, Mt Wellington.

Notes. Sandstone and sandy
areas of Tasmania and southern Victoria, extending into South Australia.

AVH 2011

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith