Polypogon Desf.

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 : 235

89. Polypogon Desf. 1

Annuals or perennials. Leaves flat. Inflorescence a dense panicle. Spikelets somewhat compressed laterally, with 1 floret. Glumes subequal, 1 -veined, chartaceous, scabrid, longer than the floret, usually with an apical awn. Lemma 5-veined, hyaline, truncate. Palea hyaline. Rhachilla not prolonged.

1 Perennial; glumes unawned 3. viridis 1 Annual; glumes awned

2 Glumes emarginate, shortly ciliate; lemma awned

1. monspeliensis 2 Glumes 2-fid, long-ciliate; lemma unawned 2. maritimus