Viola trichopetala Chang

Herbs perennial, acaulescent, to 7 cm tall. Rhizome erect, brownish, 1.5-2.5 cm, slightly robust; roots straightly descending, long, robust. Leaves usually numerous, basal; stipules brown, 1/2-2/3 united with petioles, free part linear-lanceolate, margin entire or sparsely brown glandular denticulate, apically acuminate; petioles exceeding or shorter than blades, narrowly winged in upper part, with sparse spreading short stiff hairs or glabrous; blades in upper part lanceolate, those in lower part triangular-ovate or oblong-ovate, 3-4.5 × 2-3 cm, both surfaces pubescent or nearly glabrous, base broadly cordate or cuneate, decurrent to petiole, margin sparsely obtuse-crenate, apex obtuse. Flowers purplish violet or white with purple veins, ca. 1.5 cm in diam.; pedicels exceeding leaves at anthesis, 2-bracteolate below middle; bracteoles linear, 5-7 mm, margin entire. Sepals lanceolate, ca. 5 mm, ca. 1.5 mm wide at base, apex acute; basal auricles short, ca. 0.5 mm, glabrous, 3-veined, margin entire or sometimes repand-crenate, apex obtuse. Petals obovate, margin entire, lateral petals densely bearded, upper petals also few bearded, anterior petal ca. 1.5 cm (spur included); spur shallowly saccate, short, 1-2(-3) mm, stout, ca. 2 mm thick, apex rounded. Ovary glabrous, oblong; styles slender, clavate, geniculate at base, ca. 1.5 mm; stigmas with slightly thin and straightly spreading margin on 2 lateral sides and behind, slightly convex in central part, shortly beaked in front, with smaller stigma hole at tip of beak. Capsule oblong, 1-1.2 cm, glabrous, apex acute. Seeds red-brown, ovoid-globose, ca. 2 mm, ca. 1.5 mm thick. Fl. Feb-Jun, fr. Jun-Dec.

SW Sichuan, Xizang, Yunnan [Bhutan].

Grassy slopes, thickets; 1600-3400 m.

Viola betonicifolia Smith f. pubescens H. Hara; V. philippica Cavanilles var. yunnanfuensis W. Becker.

Viola trichopetala là một loài thực vật có hoa trong họ Hoa tím. Loài này được C.C. Chang miêu tả khoa học đầu tiên năm 1949.

毛瓣堇菜（学名：Viola trichopetala）为堇菜科堇菜属的植物，是中国的特有植物。分布在中国大陆的云南等地，生长于海拔2,300米至2,800米的地区，多生于山地溪谷，目前尚未由人工引种栽培。