78. Viola perpusilla H. Boissieu, Bull. Soc. Bot. France. 55: 468. 1908.
极细堇菜 ji xi jin cai
Herbs perennial, dwarf, acaulescent, 1-5 cm tall. Rhizome erect, brown; roots fibrous, usually undivided. Leaves few, basal, rosulate; stipules whitish, membranous, 1/3-1/2 adnate to petioles, free part lanceolate, pubescent, apex linear-acuminate; petiole 0.4-1.5 cm; glabrous; leaf blade ovate or oblong, 0.4-2.2 cm × 3-8 mm, papery, abaxially glabrous or slightly pubescent, adaxially pubescent, base rounded or cuneate, slightly decurrent, margin shallowly crenate, apex obtuse. Flowers small; pedicels straight, 2-5 cm, longer than leaves, slender, slightly pubescent or nearly glabrous, 2-bracteolate slightly above mid- dle; bracteoles nearly opposite, linear, 1-2 mm. Sepals 3-4 × ca. 1 mm, base acute, margin remotely denticulate-ciliate or glabrous, apex obtuse; basal auricles very short, ca. 0.4 mm, apex obtuse. Petals violet, oblong-obovate, 5-7 mm, base narrower, apex obtuse, lateral ones glabrous, anterior one slightly shorter; spur saccate, ca. 2 mm. Anthers ca. 1 mm. Ovary ovoid-globose, hairy; styles clavate, base conspicuously geniculate, stigma oblique, not margined. Fl. Jun.
● Grassy slopes. Yunnan (Dali).
This species is similar to Viola kunawarensis, but has leaf blades pubescent, margin crenate-dentate, pedicels usually pubescent and much longer than leaves, and ovary hairy.