Botanical Survey of India | Flora of India

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Viola diffusa Ging. in DC., Prodr. 1: 298. 1824; Hook. f. & Thomson in Fl. Brit. India 1: 183. 1872.


Annual or perennial, stolons up to 15 cm long, producing dense rosettes of leaves and flowers and procumbent rooting stems; rhizome vertical, fibrillose. Leaves suborbicular, elliptic-ovate to oblanceolate, obtuse to acute at apex, crenate-serrate to serrate, 1.5 - 5 x 0.8 - 2 cm, decurrent, hirsute; petioles 1.5 - 7 cm long; stipules free, lanceolate, acute dentate to fimbriate, 6 - 10 mm long, ca 1.5 mm wide. Peduncles 1.5 - 6.5 cm long, bibracteolate at the middle. Flowers ca 8 mm across, pale purple to nearly white. Sepals ovate to lanceolate, 5 - 6 x 1 - 1.5 mm, sparsely hairy. Petals ovate-oblong, ca 1 cm long, lateral ones not bearded; spur 1 - 2 mm long, obtuse. Style clavate, slightly geniculate at base; stigma with two lateral lobes, with a small beak in between. Capsules ellipsoid, 4 - 6 mm long, glabrous.

Fl. & Fr. Feb. - Aug.

Distrib. India: Montane warm forests and grasslands, 1300 - 2500 m. West Bengal, Sikkim, Arunachal Pradesh, Assam, Nagaland and Meghalaya.

Nepal, Bhutan, Myanmar, China, Indo-china, Japan, Taiwan, Philippines and New Guinea.

Notes. Flowers medicinal, applied in chest diseases.

Chromosome number reported: 2n = 26 (Miyaji in Cytologia 1:28.1929).




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