Austrostipa mundula (J.M.Black)
S.W.L.Jacobs & J.Everett. Telopea 6: 587 (1996).
Classification. (GPWG 2001) : Subfamily Pooideae. Tribe Stipeae.
Basionym and/or
Replacement Name: Stipa mundula J.M.
Black, Trans. & Proc. Roy. Soc. South Australia 65: 333 (1941).
Type of Basionym or
Protologue Information: HT: J.B. Cleland s.n., 12 Nov 1933, Australia:
South Australia: Chaunceys Line (N of Lake Alexandrina) (AD-97423406; IT:
AD-96323226, AD-96323235, AD-97422298(in part), ADW-44028, ADW-44191,
MEL-59957).
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 (96), [2009] A.Wilson (ed.). Flora of Australia, Vol 44A. Poaceae
2 (32).
Illustrations:
[2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South Australia (96, fig.58), [2009]. A.Wilson (ed.), Flora
of Australia 44A: Poaceae 2 (31, Fig 4).
Habit.
Perennial. Culms geniculately ascending, 20–60 cm tall. Mid-culm nodes
pubescent. Leaves mostly basal. Leaf-sheaths glabrous on surface or hairy.
Ligule an eciliate membrane, 0.3–3 mm long, membranous, truncate. Leaf-blades
erect, curved, filiform, convolute, 6–8 cm long, 0.5–2 mm wide. Leaf-blade
surface glabrous.
Inflorescence.
Inflorescence compound, a panicle or a panicle. Panicle linear or elliptic,
5–12 cm long, 1–2 cm wide.
Spikelets.
Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), without rachilla extension, linear, terete, 14–26 mm long.
Glumes. Glumes
similar, thinner than fertile lemma. Lower glume lanceolate, hyaline, without
keels, 3 -nerved. Upper glume lanceolate, 8–14 mm long, hyaline, without keels,
5 -nerved.
Florets.
Fertile lemma 7 mm long, without keel, 55 -nerved. Lemma surface indumented.
Lemma apex lobed, awned, 1 -awned. Median (principal) awn 50–80 mm long
overall, with a twisted column. Column 22–30 mm long. Palea without keels.
Anthers 3. Grain 3–4 mm long.
Continental
Distribution: Australasia.
Australian
Distribution: South Australia, Victoria.
South Australia:
Eyre Peninsula, Northern Lofty, Murray, Yorke Peninsula, Southern Lofty,
South-eastern. Victoria: Grampians, Lowan Mallee, Wannon.
Notes. South-eastern South
Australia, extending into Victoria.
