Austrostipa wakoolica (Vickery,
S.W.L.Jacobs & J.Everett) S.W.L.Jacobs & J.Everett. Telopea 6:
589 (1996).
Classification. (GPWG 2001) : Subfamily Pooideae.
Tribe Stipeae.
Basionym and/or
Replacement Name: Stipa wakoolica
Vickery, S.W.L. Jacobs & J. Everett, Telopea 3(1): 129 (1986).
Type of Basionym or
Protologue Information: IT: D.L.W. Henderson 117410, 5 Nov 1947 or
11 May 1947, Australia: New South Wales (US-2980313).
Key references
(books and floras): [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
Australia, [2008] S.W.L.Jacobs, R.D.B.Walley & D.J.B.Wheeler, Grasses
of New South Wales (161), [2009] A.Wilson (ed.). Flora of Australia,
Vol 44A. Poaceae 2 (58).
Illustrations:
[2008] S.W.L.Jacobs, R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South
Wales, 4th edn (161), [2009]. A.Wilson (ed.), Flora of Australia 44A:
Poaceae 2 (18, Fig. 2J).
Habit.
Perennial. Culms erect or geniculately ascending, 100 cm tall, 1.5–3 mm diam.
Mid-culm internodes pubescent or hirsute. Mid-culm nodes pubescent.
Leaf-sheaths hairy. Ligule an eciliate membrane, 0.5–0.8 mm long, abaxially
pilose, truncate or obtuse. Leaf-blades flat or involute, 20–40 cm long,
1.5–2.5 mm wide. Leaf-blade surface indumented.
Inflorescence.
Inflorescence compound, a panicle. Panicle elliptic, 30–36 cm long, 3–5 cm
wide.
Spikelets.
Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), without rachilla extension, lanceolate, terete, 11–15 mm long.
Glumes. Glumes
similar, thinner than fertile lemma. Lower glume lanceolate, membranous, much
thinner above, without keels, 3 -nerved. Upper glume lanceolate, 9–11 mm long,
membranous, without keels, 5 -nerved. Upper glume surface asperulous.
Florets.
Fertile lemma 5.5–6.5 mm long, without keel. Lemma surface indumented. Lemma
apex dentate or lobed, awned, 1 -awned. Median (principal) awn from a sinus,
35–60 mm long overall, with a twisted column. Column 7–25 mm long. Palea
without keels. Lodicules present. Anthers 3. Grain 3–4 mm long.
Continental
Distribution: Australasia.
Australian
Distribution: New South Wales.
New South Wales:
South-Western Plains.
Notes. Floodplains of the
Murray River tributaries of the South Western Plains of New South Wales.
