Deyeuxia pungens

Deyeuxia pungens N.G.
Walsh. Muelleria 7: 452–453 (1992).

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

Type of Basionym or
Protologue Information
: Australia,
East Gippsland:  Wakefield 2762 (MEL holo).

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

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

Perennial. Culms erect, 50–100 cm tall. Lateral branches simple. Leaves mostly
basal. Ligule an eciliate membrane, 4–11 mm long, scarious, lacerate, acute.
Leaf-blades erect, aciculate, involute, 20–45 cm long, 1.5 mm wide. Leaf-blade
surface scabrous.

Inflorescence solid, a panicle. Panicle linear, 10–30 cm long, 0.5–2.5 cm wide.

Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), with a barren rachilla extension, oblong, laterally compressed, 4–5
mm long.

Glumes. Glumes
similar, thinner than fertile lemma. Lower glume lanceolate, membranous,
keeled, 1-keeled, 1 -nerved. Lower glume apex muticous or mucronate. Upper
glume lanceolate, 4–5 mm long, membranous, keeled, 1-keeled, 1 -nerved. Upper
glume surface asperulous. Upper glume apex muticous or mucronate.

Fertile lemma 4–5 mm long, without keel, 5 -nerved. Lemma apex erose, muticous
or mucronate or awned, 1 -awned. Median (principal) awn subapical, 0.5 mm long
overall. Lodicules present. Anthers 3.

: Australasia.

: Victoria.

East Gippsland.

Notes. Endemic. Known only
from near Suggan Buggan, Vic. From sandstone crags in rain shadow country.
Flowers Dec.-Jan.

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