生活型

herb

形態特徵

• Tall reed-like perennials. Rhizome woody, prostrate, covered with scales. Culms erect, 1-4(-8) m tall.
• Blades narrowly lanceolate, tessellate-nerved, pseudo-petiolate, 15-65 cm long, 4-80(-100) mm wide; ligule subcoriaceous, truncate, lightly brownish, sheath glabrous, smooth. Panicle large, open, outline elliptic, 30-125 cm long, very dense with many branches and numerous spikelets.
• Spikelets 1.5-2 mm long, 2-flowered, cylindrical, margins ciliate-hispid; glumes chartaceous, 0.3-1 mm long; lower glume apex sinus ; upper glume apex rounded. Lower floret reduced to only a lemma; lower lemma acute at apex, 1-nerved, chartaceous, 1.2-2 mm long. Upper lemma 1.2-1.8 mm long; lemma subcoriaceous, ovate-deltoid, apex cuspidate, margins with long glandular hairs, 3-nerved, 0.6-1 mm long.
• Caryopsis 0.5 mm long, ellipsoid.
• Uses Young shoots as fodder of good value. Used as a soil binder, and for hedges. Root paste for boils, root extract as mouth-wash. Inflorescences serve as soft brooms. They may be yellow, red, purple, green, or brown and are used as ornamentals or in dry flower arrangements.

分布

• 台灣 : Wide spread in Taiwan.
• 世界 : Southern China, Indochina, India, and the Malesia.

引證標本

TAIPEI: Hsintien, Hsu 267; Wulai, Suzuki 6833. MIAOLI: Tahu, Chen 17. NANTOU: Puli, Hsu & Kuoh 11288; Huisun Forest region, Yang et al. 5331; Kuoh 13048. TAINAN: Jenwenshuiku, Kuoh 11400. KAOHSIUNG: Liukuei, Hsu 3198. PINGTUNG: en route Hongkan to Soka, Kuoh 15554. TAITUNG: Chihpen, Kao 7138.

引用文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 336. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)