生活型

herb

形態特徵

• Culms ascending, basal part branching and rooting, creeping; flowering culms to 1 m high.
• Blade obtuse, glabrous, 5-10 cm long; ligule of a ring of short hairs; sheath glabrous, shorter than internode.
• Spike single, terminal or axillary, sometimes several aggregated, 5-10 cm long; rachis and pedicel united, nearly as long as sessile spikelet. Spikelets paired, one pedicelate and other sessile. Sessile spikelets ca. 4 mm long, with a distinct callus of ca. 1 mm long, spikelet sunken in a cavity tormed by adnation of rachis and pedicel; glumes coriaceous; lower glume ovate-lanceolate, dorsally flat; upper glume boat shaped, nearly as long as spikelet; lower lemma ca. 3 mm long, membranaceous, epaleate, neutral; upper lemma slightly shorter than lower lemma, enclosing a small upper palea; anthers ca. 2 mm long.
• Caryopsis ovate-orbicular, ca. 2 mm long.
• Variable in height and form of the plant. Usually straggling in shrubs and hedges. Grazed and favored by livestock.

分布

• 台灣 : common.
• 世界 : India, Sri Lanka, Myanmar, Malaysia, China and Japan.

引證標本

ILAN: Fulong, Kuoh 4161; Chiaohsi, Hsu 819. TAOYUAN: Neili, Hsu 1217. MIAOLI: Chunan, Hsu 485. TAICHUNG: Yehmei, Hsu 4712; Taichung, Kuoh 1527. NANTOU: Tuchen, Kuoh 3870; Puli, Hsu s. n. 29 Oct 1960. CHIAYI: Fenchihu, Feng & Kao 4947*. TAINAN: Sanhutang, Kuoh 3958. PINGTUNG: Hengchun, Hsu 502.

引用文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 551. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)