生活型

herb

形態特徵

• Rhizome stout. Culms erect, to 1 m long, nodes glabrous.
• Blade 4-15 cm long, margins scabrous; sheath usually shorter than internode.
• Racemes paired, ca. 7 cm long. Rachis-joint and pedicel nearly equal, ca. 1/2 its length of sessile spikelet, inner margin scabrous, sometimes white ciliate. Spikelets paired,one pedicellate and other sessile. Sessile spikelet narrowly lanceolate, ca. 8 mm long, glabrous; glume as long as spikelet, coriaceous; lower glume keeled and winged along margins, scabrous, 2-toothed at apex; upper glume boat shaped, 5-nerved, anastomosing at least at upper part; lower lemma slightly shorter than spikelet; upper lemma membranaceous, 2-cleft, with a short awn protruding from sinus. Pedicellate spikelet slightly shorter than sessile spikelet.

分布

• 世界 : Japan, Korea and northern China.

引證標本

TAIPEI: Nankan, Masamune 2486.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 560. 2000.  (Fl. Taiwan 2nd edit.)