Deyeuxia nudiflora Vickery. Contr. New South Wales Natl.
Herb. 1: 67 (1940).
Classification. (GPWG 2001) : Subfamily Pooideae.
Tribe Poeae.
Type of Basionym or
Protologue Information: Australia,
Nowra district: Rodway (K holo).
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 (204), [2009] A.Wilson (ed.). Flora of Australia, Vol 44A. Poaceae 2
(207).
Illustrations:
[2008] S.W.L.Jacobs, R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South
Wales, 4th edn (204).
Habit.
Perennial. Culms geniculately ascending, stature slender to delicate, 40–70 cm
tall, 6 -noded. Mid-culm nodes glabrous. Lateral branches simple. Leaves mostly
basal. Leaf-sheaths scaberulous. Ligule an eciliate membrane, 2–3 mm long,
membranous, abaxially glabrous, truncate. Leaf-blades linear, flat or involute,
4–10 cm long, 1–2 mm wide. Leaf-blade surface scabrous.
Inflorescence.
Inflorescence compound, a panicle. Panicle lanceolate or ovate, 3–20 cm long.
Spikelets.
Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), without rachilla extension or 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, 3–3.5
mm long, membranous, keeled, 1-keeled, 1 -nerved. Upper glume surface
asperulous.
Florets.
Fertile lemma 3–3.5 mm long, without keel, 5 -nerved. Lemma apex entire or
erose or dentate, muticous or awned. Median (principal) awn subapical.
Lodicules present. Anthers 3.
Continental Distribution:
Australasia.
Australian
Distribution: New South Wales.
New
South Wales: Central Coast, South
Coast, Central
Tablelands, Southern Tablelands.
Notes. Endemic. Usually in
shaded sites or near creeks. Flowers summer.
