Deyeuxia reflexa Vickery. Contr. New South Wales Natl.
Herb. 1: 69 (1940).
Classification. (GPWG 2001) : Subfamily Pooideae.
Tribe Poeae.
Type of Basionym or
Protologue Information: Australia,
Dorrigo Mt.: Vickery K31 (K holo, NSW).
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 (205), [2009] A.Wilson (ed.). Flora of Australia, Vol 44A. Poaceae 2
(203).
Illustrations:
[2008] S.W.L.Jacobs, R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South
Wales, 4th edn (205).
Habit.
Perennial. Culms erect, stature robust to moderate, 120 cm tall, 6 -noded.
Mid-culm internodes pubescent. Mid-culm nodes glabrous. Lateral branches
simple. Leaves cauline. Leaf-sheaths antrorsely scabrous, glabrous on surface
or hairy. Ligule an eciliate membrane, 2–3 mm long, membranous, abaxially
hairy, lacerate, obtuse. Leaf-blades linear, flat or involute, 15–30 cm long,
2–5 mm wide. Leaf-blade surface scabrous.
Inflorescence.
Inflorescence compound, a panicle. Panicle lanceolate, effuse, 10–20 cm long,
with spikelets clustered towards branch tips.
Spikelets.
Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), with a barren rachilla extension, lanceolate, laterally compressed,
3–3.5 mm long.
Glumes. Glumes
similar, firmer than fertile lemma. Lower glume lanceolate, membranous, much
thinner on margins, keeled, 1-keeled, 1 -nerved. Upper glume lanceolate,
2.5–3.5 mm long, membranous, keeled, 1-keeled, 1 -nerved.
Florets.
Fertile lemma 3 mm long, without keel, 5 -nerved. Lemma apex entire or dentate,
awned, 1 -awned. Median (principal) awn subapical or dorsal, 2–2.5 mm long
overall. Lodicules present. Anthers 3.
Continental
Distribution: Australasia.
Australian
Distribution: New South Wales.
New
South Wales: North
Coast.
Notes. Endemic. Restricted
to the Dorrigo area of N.S.W. In montane woodland. Flowers summer.
