HABIT Annual. Culms erect; 20-40 cm long. Ligule an eciliate membrane. Leaf-blades filiform. INFLORESCENCE Inflorescence composed of racemes. Racemes single; unilateral. Rhachis fragile at the nodes; subcylindrical and excavated. Spikelet packing broadside to rhachis; distant. Spikelets sunken; solitary. Fertile spikelets sessile. FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with a barren rhachilla extension, or with diminished florets at the apex. Spikelets linear; laterally compressed; 3.5-5 mm long; breaking up at maturity; disarticulating below each fertile floret. GLUMES Glumes one the lower absent or obscure; lateral; persistent; shorter than spikelet; thinner than fertile lemma. Upper glume ovate; 0.1-0.25 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume apex acute. FLORETS Fertile lemma lanceolate; coriaceous; keeled; 3 -veined. Lemma apex acuminate; awned; 1 -awned. Apical sterile florets resembling fertile though underdeveloped. FLOWER Anthers 1. FRUIT Caryopsis with adherent pericarp; lanceolate. Hilum linear; 0.33-0.66 length of caryopsis. DISTRIBUTION Europe, or Africa, or Temperate Asia, or Tropical Asia, or Australasia.