生活型

herb

形態特徵

• Culms geniculate, ca. 1 mm in diam.
• Blade 5-6 cm long, 6-7 mm wide; ligule rounded, minutely fimbriate on upper part, ca. 1.5 mm long, chartaceous.
• Racemes 2, ca. 2.5 cm long, yellowish. Spikelets paired, monomorphic, upper pedicelate, lower sessile; rachis yellow, villose. Lower glume coriaceous, as long as spikelet, lanceolate, 2-keeled and winged, 2-toothed; upper glume coriaceous, deltoid, 5-nerved, aristate, margins membranaceous and fimbriate. Lower floret subcoriaceous, lanceolate, ca. 4 mm long; lemma 1-nerved, upper margins membranaceous and fimbriate, overlapping; palea 2-keeled, siliceous along keels, margins membranaceous and fimbriate. Upper floret hyaline; lemma ca. 3.5 mm long, 3-nerved, fimbriate on margins, 2-cleft, aristate; palea 2-keeled, siliceous along keels, acute.
• Caryopsis ca. 1 mm long; embryo 1/2 its length of caryopsis. Anther ca. 1.5 mm long.

分布

• 台灣 : littoral.

引證標本

PINGTUNG: Oluanpi, Hsu s. n. 12 Mar 1959; Kenting, Kao 8. TAITUNG: Lutao Is., Huang 6990.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 562. 2000.  (Fl. Taiwan 2nd edit.)