Lachnagrostis punicea (A.J.Brown &
N.G.Walsh)S.W.L.Jacobs. Telopea 9:446(2001). Classification. (GPWG 2001) : Subfamily Pooideae. Tribe Poeae.
Basionym and/or
Replacement Name: Agrostis
punicea A.J. Brown & N.G. Walsh, Muelleria 14: 83–84. 2000; Agrostis
billardieri var. setifolia Hook. f., Fl. Tasman. 2: 115
(1858).
Type of Basionym or
Protologue Information: HT: Ballantine 1446, 15 Nov 1840, Australia: Tasmania:
New Norfolk (K;
IT: HO).
Recent synonyms:
Agrostis punicea A.J.Brown & N.G.Walsh, Agrostis aemula R.Br.
var. setifolia (Hook.f.) Vickery.
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
(230), [2009] A.Wilson (ed.). Flora of Australia, Vol 44A. Poaceae 2
(187 as subsp. punica, 188 as subsp. filifolia).
Illustrations:
[2006] J.Jessop, G.R.M.Dashorst, F.M.James, Grasses of South Australia (231, fig. 175 as var. punicea &
231, fig. 176 var. filifolia).
Habit. Perennial.
Culms erect, 20–65 cm tall. Ligule an eciliate membrane, 2–8 mm long, obtuse.
Leaf-blades conduplicate, 5–25 cm long, 0.2–1 mm wide.
Inflorescence.
Inflorescence compound, a panicle. Panicle 10–25 cm long, 5–30 cm wide.
Spikelets.
Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), with a barren rachilla extension, elliptic, laterally compressed,
4.5–7 mm long.
Glumes. Glumes
similar, firmer than fertile lemma. Lower glume lanceolate, membranous, keeled,
1-keeled, 1 -nerved. Upper glume lanceolate, 4–5–7 mm long, membranous, keeled,
1-keeled, 1 -nerved.
Florets.
Fertile lemma 3–5.5 mm long. Lemma apex dentate, awned, 1 -awned. Median (principal) awn dorsal. Palea
present. Palea apex narrowly lobed. Lodicules present. Anthers 3.
Continental
Distribution: Australasia.
Australian
Distribution: South Australia, Victoria, Tasmania.
South Australia: South-eastern. Victoria: Wannon,
Volcanic Plain, Gippsland Plain. Tasmania:
North West, Midlands,
East Coast.
Endemic.
Infra-specific
taxa: subsp. punicea, subsp. filifolia.
Lemma densely villous
in lower 75% of body L. punicea subsp.
punicea
Lemma glabrous or
finely papillose except for
tuft of hairs at
callus L. punicea subsp. filifolia
