Glyceria plicata* (Fries) Fries. Nov. Fl. Suec. Mant. 3: 176 (1842).
Classification. (GPWG 2001) : Subfamily Pooideae. Tribe Meliceae.
Basionym and/or
Replacement Name: Glyceria
fluitans var. plicata Fr., Novit. Fl. Suec. Mant. 2: 6
(1839).
Type of Basionym or
Protologue Information: Sweden:,
Fries 91 (HT: ?).
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
(76).
Habit.
Perennial. Culms geniculately ascending or decumbent, 30–100 cm tall, spongy.
Lateral branches branched. Leaf-sheaths smooth, glabrous on surface. Ligule an
eciliate membrane, 2–8.5 mm long, obtuse or acute. Leaf-blades flat or
conduplicate, 5–30 cm long, 3–14 mm wide. Leaf-blade surface scaberulous or
scabrous.
Inflorescence.
Inflorescence compound, a panicle. Panicle lanceolate or oblong, 10–47 cm long.
Spikelets.
Spikelets pedicelled. Fertile spikelets many flowered, with at least 2 fertile
florets (7–16), comprising 7–16 fertile floret(s), with diminished florets at
the apex, oblong, laterally compressed, 10–25 mm long.
Glumes. Glumes
similar. Lower glume elliptic or oblong or ovate, membranous, without keels or
keeled, 1 -nerved. Upper glume elliptic or oblong or ovate, 2.5–4 mm long,
membranous, without keels or keeled, 1 -nerved.
Florets.
Fertile lemma 3.5–5.1 mm long, without keel, 7 -nerved. Lemma apex entire.
Palea 2 -nerved. Palea apex erose or dentate. Lodicules present. Anthers 3.
Grain 2 mm long.
Continental
Distribution: Europe, Temperate Asia, Tropical Asia, Australasia, North
America, and South America.
Australian
Distribution: Victoria,
Tasmania.
Victoria:
Eastern Highlands, Gippsland Plain. Tasmania: North
West.
Notes. Introduced. Of
restricted distribution, in Tas. known from one site in NW, and from two sites
in Vic. Native to Europe. Growing in wet
areas. Flowers Nov.-Jan.
