生活型

herb

形態特徵

• Perennial herbs. Rhizomes short.
• Leaves long petiolate; petiole dark brown, glabrous, 9.2-17.6 cm long; blade ovate to widely ovate, 8.5-9 cm long, 7.5 -7.8 cm wide, base cordate, basal lobes 3.5-3.7 cm long, 2.8-3.2 cm wide, apex acute; adaxial surface dark green, variegated, lusterless.
• Flower purple reddish to dark purple, solitary, axillary, decumbent on ground; pedicel short, ca. 1 cm long; perianth tube depressed pyriform, 9.1-12.5 mm long, upper 14.8-20.2 mm wide, base 10.7-12.9 mm wide, throat slightly constricted, with a narrow orifice rim, 1.3-3.3 mm wide; upper half of inner wall of perianth tube dark purple, tessellated with longitudinal and transverse ridges, lower half white, longitudinally ridged only, ridges thick, column-like, 26-30; limb 3-lobed; lobes spreading, deltoid ovate, margin undulate, 7.8-13.7 mm long, base rugose, adaxial surface covered with trichomes, abaxial surface glabrous; stamens 12, in 2 whorls, subsessile, anthers extrorse, 4.2-5.4 mm long; ovary superior to half inferior, styles 6, free, erect, lateral compressed, apex 2-forked, ca. 0.7-1.4 mm long; stigma linear, decurved, lateral or subterminal.

物候

According to Flora of Japan, this species is flowering and fruiting from March to May in Japan, while in Taiwan, it is flowering and fruiting from January to April.

分布

• 台灣 : two populations were found in northwestern part (Miaoli County and Taichung County). It grows under the semishaded evergreen broadleaved forest.
• 世界 : southern Kyushu (Kagoshima Pref.) of Japan.

引證標本

Miaoli County: Taian Township, Mt. Malapangshan, elev. ca. 1100-1300 m, C. T. Lu 1441 (TNU). Taichung County: Hoping Township, Chiapaotai, Pahsienshan Forest Recreation Area, elev. ca. 900 m, Feb. 25, 2006, C. T. Lu 851 (TNU); same loc., Apr. 22, 2005, C. T. Lu 709 (TNU); Kukuan, Mar. 19, 1998, Y. P. Cheng 2153 (TAIF).

引用文獻

• Chang-Tse Lu, Wen-Liang Chiou, Shu-Chuan Liu and Jenn-Che Wang, Taiwania 55(4): 396-401. 2010.