野古草

Arundinella hirta specimen Credit: cs kuoh

Poa hirta Thunb., Fl. Jap. 49. 1784. Rhizome well developed, creeping, densely covered with scaly leaves; culms erect, hard, 2-4 mm in diameter. Blades 12-25 cm long by 4-12 mm wide; more or less scabrid hairy; sheath at least tubercle-hairy along margin; ligule short, membranous. Panicle 8-25 cm long, more or less scabrid bristled on the main axis, branches up to 10 cm long; the branches and pedicels scabrid. Spikelets ovate-lanceolate, 3-5 mm long; glumes lanceolate, nerves prominent, 3-5, scabrous along elevated nerves; lower glume 1/2-2/3 as long as the spikelet, with an internode between the glumes; upper glume nearly as long as the spikelet, 5-nerved; lower lemma awnless, 3-5-nerved, nearly as long as the glume; lower palea slightly shorter, staminate; anthers about 2.5 mm long; upper lemma 2-3.5 mm long, mucronate; callus hairy, the hairs about 1/2 as long as the upper lemma.

TAOYUAN: Neili, Hsu 1218.

Distributed in Japan, Korea and China.