生活型

herb

形態特徵

• Culms geniculate, ca. 2.5 mm in diam., conspicuously noded.
• Blade brownish red, 7-8 cm long, 1 cm wide, petiolate, hirsute on both surfaces; ligule truncate, ca. 0.3 mm long; sheath hirsute.
• Racemes 2, not exceeding uppermost sheath, ca. 2.5 cm long. Spikelets paired, more or less similar, upper pedicellate, lower sessile, lanceolate, ca. 7 mm long; rachis swollen and winged. Lower glume coriaceous, broadly lanceolate, as long as spikelet, 2-keeled and winged on upper part, inconspicuously numerousnerved and tessellate nerved; upper glume coriaceous, broadly lanceolate and boat shaped, 1-keeled and winged on upper back, pointed, margins membranaceous and fimbriate. Lower floret subcoriaceous, ca. 6 mm long; lemma lanceolate, margins slightly inrolled, fimbriate; palea lanceolate, 2-keeled, margins membranaceous, fimbriate. Upper floret membranaceous, brownish red; lemma boat shaped, with 2 conspicuous lateral nerves, shortly aristate, upper margins fimbriate; palea linear-lanceolate, 2-keeled, fimbriate along margins, anthers ca. 2.3 mm long.

分布

• 台灣 : littoral areas.
• 世界 : The Ryukyus, Indo-Malaysia and northern Australia.

引證標本

PINGTUNG: Kentin, Hsu et a1. 13611A.

參考文獻

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