生活型

herb

形態特徵

• Culms tufted annuals, erect, base geniculate or ascending, 3-6-noded.
• ligule membranaceous, 1-2 mm long, fringed with cilia.
• Inflorescence a panicle, 10-20 cm long, spikelets racemosely arranged on one side of primary branches. Spikelets (2-)3-7-flowered, ca. 2.5 mm long, often purplish; glumes membranaceous pointed, minute, subequal, 1-nerved; lower glume ca. 0.8 mm long; upper glume longer, ca. 1 mm long; lemmas keeled, obtuse, glabrous or somewhat pubescent, 3-nerved; lowest lemma ca. 1.5 mm long; palea minute, membranaceous 2-keeled, apex blunt, ca. 0.8 mm long; anthers 3, ca. 0.2 mm long.
• Caryopsis globose, ca. 1 mm long.

分布

• 台灣 : locally abundant in waste places and paddy fields.
• 世界 : Southeastern Asia.

引證標本

TAIPEI: NTU Campus, De Vol 7433, Hsu 4584; Kuanyingshan, Chuang 2827*. ILAN: Lotung, Suzuki 5854; Suao, Hsu 860. TAOYUAN: Hsinpu, Suzuki 164. MIAOLI: Chunan, Hsu s. n. 20 Aug 1954. TAICHUNG: Taichung, Suzuki 8456; Houli, Hsu 4701. NANTOU: Puli, Hsu 1379. CHIAYI: Chiayi, Suzuki & Kamikoti 4693. TAINAN: Matou, Morimoto 5577. PINGTUNG: Pingtung, Yamamoto & Suzuki 1714. Hsu 530. HUALIEN: Hualien, Suzuki & Kudo 5090.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 425. 2000.  (Fl. Taiwan 2nd edit.)