Deyeuxia talariata

Deyeuxia talariata N.G. Walsh. Muelleria
7: 386 (1991).

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

Type of Basionym or
Protologue Information
: Australia,
East Gippsland: Walsh 801 (MEL holo).

Key references
(books and floras):
[2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
Australia
,
[2009] A.Wilson (ed.). Flora of Australia, Vol 44A. Poaceae 2
(211).

Illustrations:
[2009]. A.Wilson (ed.), Flora of Australia 44A: Poaceae 2
(205, Fig.28).

Habit.
Perennial. Rhizomes present, short. Culms erect, 25–110 cm tall. Lateral
branches simple. Leaves mostly basal. Leaf-sheaths smooth or scaberulous,
glabrous on surface. Ligule an eciliate membrane, 1.5–3 mm long, membranous,
truncate. Leaf-blades linear, conduplicate, 6–40 cm long, 1.5–3 mm wide.
Leaf-blade surface scabrous, glabrous.

Inflorescence.
Inflorescence compound, a panicle. Panicle linear or oblong, 4–17 cm long.

Spikelets.
Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), with a barren rachilla extension, cuneate, laterally compressed,
3.6–5 mm long.

Glumes. Glumes
similar, thinner than fertile lemma. Lower glume lanceolate, membranous,
keeled, 1-keeled, 1 -nerved. Upper glume lanceolate, 3.6–5 mm long, membranous,
keeled, 1-keeled, 1 -nerved.

Florets.
Fertile lemma 3.6–5 mm long, without keel, 5 -nerved. Lemma apex muticous or
mucronate or awned, 1 -awned. Median (principal) awn apical or subapical,
0.3–0.8 mm long overall. Lodicules present. Anthers 3.

Continental
Distribution
: Australasia.

Australian
Distribution
: New South Wales, Victoria.

New South Wales: Southern Tablelands.
Victoria:
Snowfields.

Notes. Endemic. N.S.W. and
Vic. where it is rare on and near the Cobberas and Nunniong Plateau. Grows in
sodden, Sphagnum-rich heath at altitudes above 1000 m. Flowers Feb.

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