Vasilis Teodoridis:
Violaceae | Viola
84. Viola urophylla Franchet; Bull. Soc. Bot. France. 33: 413. 1886.
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Herbs perennial. Rhizome obliquely ascending; short; stout; densely covered with scales; with numerous dark brown roots. Stems to 22 cm tall; slender; glabrous or pubescent; usually simple; leafless in lower part. Basal leaves usually 1 or 2; sometimes absent; long petiolate; leaf blade deep green on both sides; deeply cordate; 5-9 x 3-7 cm at base; glabrous or pubescent; margin large serrate; apex long acuminate. Cauline leaves: lower stipules nearly ovate; 7-9 mm; much shorter than petiole; margin remotely and large toothed; upper ones rhombic-ovate or broadly lanceolate; 1.5-2.5 cm; subequaling or longer than petiole; margin remotely and large toothed or shallowly 3-lobed; petiole 1.5-4 cm; leaf blade slightly glaucous abaxially; usually triangular-ovate or broadly cordate; 3-5 x 3-6 cm; sometimes sparsely puberulous along veins and margin; base truncate or broadly cordate. Flowers in axils of cauline leaves; yellow; pedicels 3-4 cm; slightly shorter than leaves; 2-bracteolate below flower; bracteoles undeveloped; linear. Sepals linear; ca. 4 mm; apex acute; basal auricles short; 3-veined; apex truncate. Upper petals obovate; ca. 1.1 cm; lateral ones spatulate; ca. 1 cm; anterior one broadly obovate; ca. 8 mm; base purple striate; spur short; 0.5-0.9 mm; apex obtuse. Stigmas 2-lobed; lobes spreading; straight; apex obtuse. Capsule ovoid-globose; small.
? Forest margins; meadows; grassy places; streamsides; 1600-3600 m. Sichuan; W Yunnan.