Austrostipa flavescens

Austrostipa flavescens (Labill.)
S.W.L.Jacobs & J.Everett. Telopea 6: 585 (1996).

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

Basionym and/or
Replacement Name:

Type of Basionym or
Protologue Information
: HT: Labilliere s.n., Australia (FI-W; IT: G,

Recent synonyms:
Stipa aphanoneura, S. compacta, S. elatior, S. hirsuta, S. tenuiglumis.

Key references
(books and floras):
[1810]. R.Brown, Prodromus (175 as Stipa),
[1878] G.Bentham, Flora Australiensis 7 (566 as Stipa flavescens),
[1952] C.A.Gardner, Flora of Western Australia 1 Gramineae (180
as S. hirsuta), [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
, [2002] J.Wheeler, N.Marchant & M.Lewington, Flora of the
South West (403), [2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of
South Australia
(93), [2008] S.W.L.Jacobs, R.D.B.Walley &
D.J.B.Wheeler, Grasses of New South Wales (154), [2009] A.Wilson (ed.). Flora
of Australia
, Vol 44A. Poaceae 2 (29).

[2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South Australia  (94, Fig. 56), [2008] S.W.L.Jacobs,
R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South Wales, 4th edn
(154), [2009]. A.Wilson (ed.), Flora of Australia 44A: Poaceae 2
(31, Fig 4).

Perennial. Rhizomes present, short. Culms erect or geniculately ascending,
stature robust to moderate, 40–120 cm tall, 3–4 -noded. Mid-culm nodes
pubescent. Leaf-sheaths glabrous on surface. Ligule a fringed membrane, a
ciliolate membrane, 0.3–0.6 mm long, truncate. Leaf-blades flat or involute or
convolute, 9–54 cm long, 2–7 mm wide. Leaf-blade surface scaberulous, glabrous.

Inflorescence compound, a panicle or a panicle. Panicle linear, 10–40 cm long,
2 cm wide.

Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), without rachilla extension, lanceolate, terete, 9.8–15 mm long.

Glumes. Glumes
similar, thinner than fertile lemma. Lower glume lanceolate, hyaline, without
keels, 3 -nerved. Lower glume surface indumented. Upper glume lanceolate,
8.5–12(–14) mm long, hyaline, without keels, 5 -nerved. Upper glume surface

Fertile lemma 7.5–12 mm long, without keel. Lemma surface indumented. Lemma
apex entire or dentate or lobed, awned, 1 -awned. Median (principal) awn 40–70
mm long overall, with a twisted column. Column 8–30 mm long. Palea without
keels. Lodicules present. Anthers 3. Grain 3.5–4 mm long.

: Australasia.

: Western Australia, South Australia, New South Wales,
Victoria, Tasmania.

Western Australia:
Eucla, Drummond, Menzies, Eyre. South Australia: Eyre Peninsula,
Northern Lofty, Murray, Yorke Peninsula, Southern Lofty, Kangaroo Island,
South-eastern. New South Wales: South Coast. Victoria: East
Gippsland, Gippsland Plain, Otway Plain, Otway Range, Wilsons Promontory,
Volcanic Plain, Wannon. Tasmania: King Island, Furneaux Group, North
West, North East, West Coast, East Coast.

Notes. Headlands and sandy
soils close to the coast of all southern States, including New South Wales.

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