生活型

herb

形態特徵

• Perennial acaulescent herbs.
• Leaves stiff, linear, 25-48 cm long, 7-12 mm wide, apex obtuse to acute, base attenuate, chartaceous, crenulate, dark green on upper surface, lower surface pale green, glaucous, veins 11-15 impressed on upper surface, elevated beneath, glabrous on both surfaces.
• Flowers numerous, lilac-purple, usually 3-6 per node; inflorescence ascending to suberect, 8-30 cm long, glabrous; bracts lanceolate to ovate-lanceolate, 3-5 mm long, 2-3 mm wide, apex acute; pedicels 4-5 mm long, articulate; perianth segments 6, tepals ellipsoid, 4-5 mm long, 2-2.5 mm wide, apex obtuse; filaments 2-2.5 mm long; anthers as long as filaments; ovary ovoid, glabrous.
• Carpels with 1 or 2 exposed seeds; seeds globose, 6-7 mm long, black to dark blue.

分布

• 台灣 : forests, 200-1,500 m, throughout the island.
• 世界 : Mainland China, Japan and the Ryukyus.

引證標本

TAIPEI: Shihting, Ying s. n. Feb 1968, Hsu 5550; Santiaoling, Masamune 2654; Hopingtao, Simada SH213; Waishuangchi, Huang s. n. 1962. TAICHUNG: Puli, Hsu 4634. TAITUNG: Lanyu Is., Kuo & Huang 5376, Sasaki s. n. Aug 1926.

引用文獻

• YING, Shao-Shun, Flora of Taiwan, second edition 5: 53. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)