生活型

herb

形態特徵

• Annuals or biennials. Culms ascending, 10-36 cm high, 1.5 mm wide.
• leaf blade linear, 4-13 cm long, 2-4 mm wide, obtuse-acute or acuminate at apex. Sheath not compressed. Ligule membranaceous, triangular, 1-2 mm long.
• Inflorescence an open panicle, 2.5-18 cm long. Spikelet with 3-5 florets, elliptic or ovate, 4-5 mm long, 2-3 mm wide. Pedicels glabrous.
• Lower glumes chartaceous, lanceolate, 1-2 mm long, 1-nerved. Upper glumes chartaceous, elliptic to ovate, acute-obtuse at apex, 2-3 mm long, 3-nerved. Lemmas chartaceous or membranaceous, ovate-lanceolate to ovate, 2.5-3.5 mm long, 5-nerved, villous on nerves. Paleas narrowly lanceolate, blunt at apex, 2-3 mm long, 2-nerved, villous on nerves. Callus not webed. Anthers 1 mm long. Caryopsis ellipsoid, 1 mm long, villous at apex.

分布

• 世界 : Japan, Korea, mainland China.

引證標本

HSINCHU: Lake Yuanyanghu, Shen 620. TAICHUNG: Pahsienshan, Hsu 439; Lishan, Kuoh 80141; Wuling, Huang 7035. NANTOU: en route from Hsitou to Fenghuangshan, Kuoh 10337; Meifeng, Liu 1252. CHIAYI: Alishan, Feung & Kao s. n. 26 Oct 1962; Hsu 3355. KAOHSIUNG: en route from Tienchih to Yakou, Huang 8887; Chuyunshan Forest Path, Ho 880; en route from Kuankao to Patungkuan, Huang 8498. HUALIEN: Lanshan, the 24th Forest Station, Hsu 3593.

參考文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 386. 2000.  (Fl. Taiwan 2nd edit.)