生活型

herb

形態特徵

• Annual herb, erect, 15-80 cm tall; stem quadrangular, pilose, loosely branched.
• Leaves opposite, chartaceous; petioles 0.3-0.5 cm, with pubescent hairs; blade lanceolate, 2-8 cm long, 0.7-3 cm wide, elliptical, apex acuminate, base acute or cuneate, margins entire.
• Bracts green, acute or narrowly acuminate, with pointed teeth or setose-like at base or along whole margin, rarely entire. Calyx pubescent or scabrous, short ciliate, 5-8 mm long; lobes narrowly triangular to linear, 3-4 mm long. Corolla purple to purplish-red, with white on sides, 15-20 mm long, galea densely barbate inside.
• Capsule ovoid or subglobose, with acute apex, 8-10 mm long, scaly or hairy on upper side. Seeds black, usually 1-4, oblong and glabrous, 3-4 mm long.

物候

Flowering Jun-Sep, fruiting Sep-Oct.

分布

• 台灣 : it occurs at about 1400-1600 m in elevation in northern Taiwan, where it is thickest on slopes among high grasses.
• 世界 : Native to East Asia, including Russia, Korea, Japan, and China.

引證標本

Taoyuan Co.: Fusing Township, Najieshan, 18 July 2008, Yu S. K. 69 (TNM); same loc. 12 Aug 2008, Wang C. M. 12262 (TNM).

引用文獻

• Chih-Hsiung Chen & Chiu-Mei Wang, Taiwania 54(2): 183. 2009.