Phleum arenarium* L. Sp. Pl. 60: (1753).
Classification. (GPWG 2001) : Subfamily Pooideae. Tribe Poeae.
Type of Basionym or
Protologue Information: LT: (LINN-81.6). LT designated by Dogan in Cafferty
et al., Taxon 49(2): 254 (2000).
Key references
(books and floras): [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of
Australia, [2002] J.Wheeler, N.Marchant & M.Lewington, Flora of the
South West (429), [2009] A.Wilson (ed.). Flora of Australia, Vol 44A. Poaceae
2 (244).
Illustrations:
[2009]. A.Wilson (ed.), Flora of Australia 44A: Poaceae 2 (241,
Fig.34).
Habit. Annual.
Culms erect or geniculately ascending, 1–15(–30) cm tall, 1–4 -noded. Leaves
cauline. Ligule an eciliate membrane, 4–7 mm long. Leaf-blades 0.5–6 cm long,
1–4 mm wide. Leaf-blade surface glabrous.
Inflorescence.
Inflorescence solid, a panicle. Panicle linear or obovate, 0.5–5 cm long,
0.3–0.7 cm wide.
Spikelets.
Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile
floret(s), without rachilla extension, lanceolate or oblong, laterally
compressed, 3–4 mm long.
Glumes. Glumes
similar. Lower glume oblong, membranous, keeled, 1-keeled, 2–3 -nerved. Lower
glume apex muticous. Upper glume oblong, 3–4 mm long, membranous, keeled,
1-keeled, 2–3 -nerved. Upper glume apex muticous.
Florets.
Fertile lemma 1.5–2 mm long, without keel, 5–7 -nerved. Lemma surface
indumented. Lemma apex entire, muticous. Palea without keels. Lodicules
present. Anthers 3.
Continental
Distribution: Europe, Africa, Temperate Asia, and Australasia.
Australian Distribution:
Western Australia.
Western Australia:
Menzies.
Notes. Introduced. Known
only in coastal heath in the Yallingup area, W.A. Along or near coasts of W
Europe S from Sweden and in the Mediterranean.
