Leymus racemosus, (Lam.)

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1980, Flora Europaea. Volume 5. Alismataceae to Orchidaceae (Monocotyledones), Cambridge: Cambridge University Press : 191

2. L. racemosus (Lam.) Tzvelev , Not. Syst. (Leningrad) 20: 429 (1960)

( Elymus giganteus Vahl ).

Perennial with long, creeping rhizomes. Stems 50-100 cm, up to 10 mm in diameter in the basal part. Leaves up to 15 mm wide, scabrid on the veins above and on the margins, glabrous beneath. Spikes 15-35 cm x 10-20 mm, gradually tapering towards the apex. Spikelets 15-20 mm, with 4-6 florets, compressed, in groups of 3-6. Glumes 15-25 mm, linear-lanceolate, acuminate-subulate above, glabrous. Lemma 10-14 mm, 7-veined, acute, softly hairy in the lower part, glabrous towards the apex. Anthers c. 5 mm. Dry, sandy soils. S.E. Europe. Bu Rm Rs (C, W, K, E) Tu.

1 Stems nearly always shortly hairy below the spikes; spikes very

dense, with spikelets in groups of 3—5(—6); glumes 1 -veined

(a) subsp. racemosus 1 Stems nearly always glabrous below the spikes; spikes rather

lax, with spikelets in groups of 3 2 Glumes2-to 3- veined; keelsof thepaleaglabrous or witha

few cilia in the upper part (b) subsp. sabulosus 2 Glumes1- veined; keelsof thepaleawithnumerous ciliain

the upper part (c) subsp. klokorii