Glyceria drummondii (Steud.) C. E. Hubbard. Bull. Misc. Inf. Kew 450 (1934).
Classification. (GPWG 2001) : Subfamily Pooideae. Tribe Meliceae.
Basionym and/or
Replacement Name: Porroteranthe
drummondii Steud., Syn. Pl. Gram. 287 (1855).
Type of Basionym or
Protologue Information: Australia:
Drummond 390 (K iso).
Key references
(books and floras): [1952] C.A.Gardner, Flora of Western
Australia 1 Gramineae (102), [2002] D.Sharp &
B.K.Simon, AusGrass, Grasses of Australia, [2009] A.Wilson
(ed.). Flora of Australia,
Vol 44A. Poaceae 2 (77).
Habit. Annual.
Culms geniculately ascending or decumbent, 20–100 cm tall, spongy. Lateral
branches branched. Leaf-sheaths smooth, glabrous on surface. Ligule an eciliate
membrane, 5–7 mm long, acuminate. Leaf-blades 17–110(–150) cm long,
1.6–3.5(–4.5) mm wide. Leaf-blade surface scaberulous or papillose, glabrous.
Inflorescence.
Inflorescence compound, a panicle. Panicle lanceolate, 7–25 cm long.
Spikelets.
Spikelets pedicelled. Fertile spikelets many flowered, with at least 2 fertile
florets (4–14), comprising 4–14 fertile floret(s), with diminished florets at
the apex, elliptic or oblong, laterally compressed, 10–30 mm long.
Glumes. Glumes
similar. Lower glume oblong or ovate, membranous, without keels, 1 -nerved.
Upper glume oblong or ovate, 0.8–2.5 mm long, membranous, without keels, 1
-nerved.
Florets.
Fertile lemma 5–8 mm long, without keel, 7 -nerved. Lemma apex entire. Palea 2
-nerved. Palea apex entire or erose. Lodicules present. Anthers 3.
Continental
Distribution: Australasia.
Australian
Distribution: Western Australia.
Western Australia: Irwin, Drummond.
Notes. Endemic. In brown
clay pans within clay plains, seasonally flooded site. Flowers Oct.
