生活型

herb

形態特徵

• Plants often colonial. Rhizome elongate, terete, 3-5 mm across.
• Leaf solitary, arising from rhizome, petiole, elongate; blade oblanceolate to oblong-lanceolate, 20-40 cm long, 5-10 cm wide, apex acuminate to acute, base attenuate, decurrent to petiole, chartaceous, margins entire or slightly undulate, upper surface lustrous green, lower surface pale, glabrous on both surfaces; petiole 15-25 cm long, slender, grooved, winged upward, glabrous.
• Flowers 10-20, dark purple, nodding, 8-12 mm in diam., in racemes; inflorescence shorter than leaf, glabrous, green; bracts lanceolate, 3-4 mm long, apex acute, deciduous; pedicel 3-5 mm long, articulate at middle; perianth campanulate to widely campanulate, 8-13 mm long, lobes ovate-triangular, 3-4 mm long, apex acute; stamens 6, filaments connate into a tube, 2-2.5 mm long; anthers terminal, oblong, 2 mm long; ovary 5 mm long, partly connate with perianth tube, densely pilose; style ca. 1 mm long; stigmas 3.
• seeds globose to oblong, 6-7 mm long, blue-violet when mature.

分布

• 台灣 : forests, 1,000-1,800 m, in the north and center of the island, uncommon.
• 世界 : Widely distributed in southeastern Asia and southwest China.

引證標本

TAIPEI: Taipei, Kawakami & Tashiroi s. n. Jun 1912. CHIAYI: Shiehtzeou, Ying, s. n. 14 Feb 1988. KAOHSIUNG: Shangping, Chang 2096.

參考文獻

• YING, Shao-Shun, Flora of Taiwan, second edition 5: 59. 2000.  (Fl. Taiwan 2nd edit.)