Austrostipa verticillata (Nees
ex Spreng.) S.W.L.Jacobs
& J.Everett. Telopea 6: 589 (1996).
Classification.
(GPWG 2001) : Subfamily Pooideae. Tribe Stipeae.
Basionym and/or
Replacement Name: Stipa
verticillata Nees ex Spreng., Syst. Veg. 4(Cur. Post.): 30 (1827).
Type of Basionym or
Protologue Information: LT: Sieber 64, Australia (K; ILT: BM, BRI,
L, MEL, P). LT designated by Vickery, Jacobs & Everett, Telopea 3: 127
(1986).
Key references
(books and floras): [1952] C.A.Gardner, Flora of Western Australia 1
Gramineae (172 as Stipa), [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 (60).
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 (44, Fig 6).
Habit.
Perennial. Rhizomes present, short. Culms erect, 50–100 cm tall, woody.
Mid-culm nodes glabrous. Lateral branches sparsely branched. Leaves cauline.
Leaf-sheaths glabrous on surface. Ligule an eciliate membrane, 2–8 mm long,
membranous, truncate. Leaf-blades 1–3 mm wide.
Inflorescence.
Inflorescence compound, a panicle or a panicle. Panicle lanceolate, 15–60 cm
long.
Spikelets.
Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), without rachilla extension, elliptic, terete, 3 mm long.
Glumes. Glumes
similar, thinner than fertile lemma. Lower glume lanceolate, membranous,
without keels, 3 -nerved. Upper glume lanceolate, 3–5 mm long, membranous,
without keels, 3 -nerved.
Florets.
Fertile lemma 3 mm long, without keel, 5 -nerved. Lemma surface indumented.
Lemma apex entire, awned, 1 -awned. Median (principal) awn 33–53 mm long
overall, with a straight or slightly twisted column or with a twisted column.
Column 7–30 mm long. Palea 2 -nerved, without keels. Lodicules present. Anthers
3. Grain 2.1–3.5 mm long.
Continental
Distribution: Australasia.
Australian
Distribution: Queensland, New South Wales.
Queensland:
Burnett, Darling Downs, Leichhardt, Maranoa, Moreton, Warrego, Port Curtis. New
South Wales: North Coast, Central Coast, South Coast, Northern Tablelands,
Southern Tablelands, North-Western Slopes, Central-Western Slopes,
South-Western Slopes, North-Western Plains.
Notes. Widespread through
eastern Queensland and the central and northern parts of New South Wales.
