大麥

Cultivated annuals; culms stout, erect, 40-80 cm tall; sheath with a pair of deltoid-acute auricle at mouth; ligule 1-2 mm long, membranous. Spike cylindrical, hexagonal, each node with 3 sessile, fertile spikelets; spikelets contracted into 6 rows on the main axis. Spikelets 1-flowered, sessile, 1-1.5 cm long, each node with cluster of three fertile spikelets; glumes subequal, subtending on the abaxial side of the lemma, bristle-like and extending into a long awn, and up to 15 mm long; lemma broadly lanceolate, 6-9 mm long, 5-nerved, glabrous, tipped with a long awn of 60-90 mm long; palea as long as the lemma.

TAIPEI: Kao s. n. March 20, 1958.