Ammophila* Host,. Icon. Descr. Gram. Austriac. 4: 24, t. 41 (1809).
From the Greek ammos, sand and philos, loving.
Key references (keys and floras):. C.A.Gardner, Flora of Western Australia 1 Gramineae
159 (1952); J.P.Jessop, Flora of South Australia 4: 1918 (1986);
B.K.Simon, Key to Australian Grasses 64 (1993);S.W.L.Jacobs and
S.M.Hastings, Flora of New South Wales 4: 587 (1993); N.G.Walsh, Flora
of Victoria 2: 488 (1994); D.I.Morris, Student's Flora of
Tasmania 4B: 274 (1994); E.Edgar and H.E.Connor, Flora of New Zealand
5: 245–246 (2000); D.Sharp and B.K.Simon, AusGrass (2002); J.P.Jessop, Grasses
of South Australia 193–195 (2006); S.W.L.Jacobs, R.D.B.Whalley &
D.J.B.Wheeler, Grasses of New South Wales, 4th Ed, 117 (2008); A.Wilson
(ed.), Flora of Australia 44A: Poaceae 2: 237–238 (2009).
W.D.Clayton & S.A.Renvoize, Genera Graminum (1986), genus (199).
Naturalised. 2 species, from North temperate regions. 1 species in Australia, WA, SA, NSW,
Vic, and Tas. Also New Zealand.
Perennial, rhizomatous. Culms herbaceous. Leaf blades narrow. Ligule an
Inflorescence paniculate, contracted.
Spikelets laterally compressed, 1 flowered, pedicelled; with naked rachilla
extension. Fertile spikelets disarticulating above glumes.
more or less equal, about equal to spikelet to exceeding florets, pointed,
awnless, keeled, similar. Lower glume 1 nerved. Upper glume 1–3 nerved.
Fertile florets 1. Lemmas similar in texture to glumes, entire at apex or
incised, minutely awned or mucronate, without a germination flap, 3 nerved or 5
nerved, with nerves non-confluent, 1 keeled. Awns 1, dorsal, non-geniculate,
much shorter than body of lemma. Palea relatively long, apically notched
(minutely), several nerved (often 4-nerved). Callus short, pointed. Lodicules
2. Ovary not hairy. Stamens 3. Stigmas 2. Grain medium sized, ellipsoid,
compressed dorsiventrally or terete. Hilum long-linear (two thirds grain
length). Embryo small. Endosperm hard.
2n = 14,
28, and 56, 2, 4, and 8 ploid, commonly adventive.
Xerophytic. Sand-binding and dune stabilizing. Species of open habitats.
Hybridises with Calamagrostis, differing mainly in its adaptation to a
special environment (Clayton and Renvoize 1986).
Types Species. A. arundinacea Host, nom. illeg. = A. arenaria (L.) Link.
Biogeographic Element. Clifford & Simon 1981, Simon & Jacobs 1990: Naturalised.