尖山菫菜

Perennial herb; rhizome long creeping to ascending, slende, bearing leaves and flowers at apex, acaulescent. Leaves 1.2-2.8cm long, 2-3.8 cm broad, triangular-cordate, reniform cordate at base, with the basal lobes somewhat converging, acute to obtuse at apex, shallowly and distantly serrate on margin, wingless, glabrous or pubescent on both surfaces, herbaceous to chartaceous; petioles 2-11 cm long, plabrous. Stipules 5-10 mm long,1-2 mm broad, lanceolate, acute, slightly lacinate-serrate or entire, glabrous, membraneous, adnate to petiole to 2/3 length. Flowers 10-15 mm across, almost white, with dark violet veins; peduncles 4-10 cm long, exceeding leaves, slender, glabrous or, sparsely pubescent. Sepals 3.5-6 mm long, 0.8-1.5 mm broad, ovate-lanceolate to lanceolate, acute, entire, glabrous; appendages 1 mm long, rounded. Petals obovate to oblong, laterals beardless, the basal equalling the others, rounded at apex; spurs slender, 2-3 mm long, cylindrical, rounded. Styles 2-2.7 mm long, slightly geniculate at base, clavate distally, with apex slightly lobed on both sides, anterior stigmatic beak. Capsules 6-9 mm long, oblong or ellipsoid, glabrous. Seeds ovoid, c. 2 mm long. Chromosome number: n = 12 with 1-4 B-chromosomes.

Hsinchu : Hsinta Campus-Tapachienshan, Wang 4536. Miaoli : Hsiaohsuehshan, Wang 4944, T. Y. Yang 423. Taichung : Taihasenzan, Ito s.n. Jun. 1914 (TAIF); Tapachienshan-Karantkunshan, Wang 4602, Sasaki s.n. Jul. 20, 1932; Hsuehshan, Wang 4354, 4634; Chihyoushan-Taoshan, Wang 3885; Taoshan-Wuling Farm, Wang 4107; Nanhunanfeng, Wang 3577. Nantou : Hohuanshan, Lin s.n. May 28, 1985, Wang 4307, 4309; Kunyang-Yuanfeng, Wang 3416, 3419; Patungkuanshan, Yang s.n. Oct. 21, 1986; Mabolasushan, Wang 4289; Hsioukuluanshan, Wang 4290; Yushan, Wang 4294; Kunyang, Wang 5112. Chiayi : Yushan, Yang s.n. Oct. 31, 1986, Chuang et al. 3992, Ying 1405 (NTUF). Ilan : Nanhutashan, Masamune, Fukuyama & Nakamura 3163, Sasaki s.n. Oct. 1928 (TAIF); Yunlingshanchuang-Shernmachenshan, Wang 3563. Hualien : Nanhutungfeng, Wang 3566, 3568.

Endemic.