Erect tufted perennial; sterile culms about 60 cm. high; lower sheaths much shorter than the long internodes, bladeless, that of the midculm with a well-developed blade, the upper ones crowded, fimbriate in the mouth, the bristles about 1 cm. long; blades 8-12 cm. long, 2-2.5 cm. wide, acuminate, glabrous; fertile culms about 30 cm. high, weak and soft, hidden under the foliage of the sterile culms; sheaths loose, inflated, glabrous, about half as long as the internodes, blade-less; spike about 4 cm. long, scarcely exserted from the upper sheath; staminate spikelets: pedicels 3 mm. long, ciliate on the margins; glumes 2-3 mm. long, 2-to 3-nerved, triangular-acuminate; lemma 4 mm. long, 1.5 mm. wide, oblong, abruptly subacute; fertile spikelets: glumes lanceolate-acuminate, 6 mm. long; fruit ovate, 5 mm. long, puberulent.
Home