生活型

herb

形態特徵

• Perennial herbs, 50–120 cm tall; stems and branches quadrangular, sparsely pubescent.
• Leaves linear-lanceolate or lanceolate, 10–20 cm long, 1–3 cm wide, membranaceous, sparsely pubescent, acuminate at both ends.
• Flowers in terminal or axillary elongate spikes, pedicel deflexed in fruit; spikes 5–15 cm long; bracts often with shallow teeth; bracteoles 2, hardened and spinescent, shorter than the perianth, basal suricles obtusely deltoid; perianth segments 5, linear-lanceolate, acuminate; stamens 5, shorter than perianth, connate at base, staminodes square.
• Utricles elliptical, ca. 2.5 mm long.

分布

• 台灣 : on forest floors thoughout the island.
• 世界 : China and Japan and temperate and subtropical regions of southeastern Asia.

引證標本

TAIPEI: Wulai, Suzuki 11592; Shihting, Lin 14171. ILAN: Taipingshan, Suzuki 3937. HSINCHU: Luchan, Fukuyama 3373. NANTOU: Wushe, Masamune 1350; Hoshe, Suzuki 84. TAITUNG: Tupeng, Suzuki 10748. HUALIEN: Panpien, Suzuki 1636.

引用文獻

• LIU, TANG-SHUI and KAO, MUH-TSUEN, Flora of Taiwan, second edition 2: 391. 1996.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)