紫花菫菜

Viola acuminata (non Ledebou) Kao & Chiu in Quart. Journ. Chinese Forest. 11:119, 1978. syn. nov.

Perennial herb; rhizome horizontal to erect, more or less stout, bearing stems and leaves at apex. Stem up to 15 cm, ascending to erect. Leaves 1-2.5 cm long, 0.9-2.8 cm broad, broadly ovat, cordate-ovate or rarely cordate-reniform, cordate at base, acute or rarely obtuse at apex, depressed crenate on margin, glabrous or sparsely pubescent on both surfaces, herbaceous to chartaceous; petioles 1-10 cm long, slender. Stipules 5-10 mm long, ovate-lanceolate to lanceolate, acuminate at apex fimbria, te-laciniate on margin, glabrous, free. Flowers 1.5-2.5 cm across, light purple; peduncles 4-11 cm long, slender exceeding leaves. Sepals 3-6 mm long 0.8-1.2 mm broad lanceolate, acute at apex, entire, glabrous; appendages 0.5-1 mm long, rounded or squarish, glabrous. Petals obovate, c. 6 mm broad, basal longes, rounded at apex, the laterals beardless; spurs (3)-4-7 mm long, yellowish green, much exceeding calycine appendages, cylindrical, obtuse. Styles 3 mm long, slightly geniculate at base, filiform, apex gently hooked, stigmatic openning terminal. Capsules 5-7 mm long, ellipsoid, glabrous. Seeds ovoid, c. 1.2 mm long. Chromosome number: n = 10.

Taipei : Yangmingshan, Sasaki s.n. Jan. 1936; Tatunshan-Peihsinchuang, Lin s.n. Mar. 21, 1986. Taichung : Lishan, Wang 3052, 3474, 4133, 4301; Wuling farm,Wang 3894, 4336, 4338, Chiu s.n. Mar. 5, 1976 (as Viola acuminata); Chungyangchienshi, Wang 3579, 3583. Nantou : Pilushi, Wang 2616, 2617, 3076, 3128, 3480, 4129, Tang 1293, Yang s.n. Nov. 8, 1986; Wushe, Sasaki s.n. Jul. 28, 1922. Ilan : Nanhutashan, Sasaki s.n. Oct. 27, 1928, s.n. Oct. 1928; Ssuyuan (Pianan-anbu), Huang 7324, Wang 3503, 5080, Sasaki s.n. Oct. 9, 1930; 720 logging tract, Yang s.n. Mar. 5, 1987; Nanshan, Chen s.n. Oct. 6, 1986.

China, Korea, Japan, The Ryukyus.