Hordeum L. >

Spikelets with 1 floret, in clusters of 3 at each node. Glumes linear, awn-like (Fig. 50) Hordeum

Rhachis fragmenting at maturity

Leaves with auricles

Anthers of central spikelet 0.2–0.5 mm long, usually black and not exerted. Inflorescence 2–8 cm long. Spikelets 4–6 mm long (including the awns). Annual to 40 cm tall. Widespread. Introd. from Europe and Asia. Fl. spring Hordeum glaucum