Botanical Survey of India | Flora of India

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Viola inconspicua Blume, Cat. Gew. Buitenz. 57. 1823. V. apetala auct. non Schimdt 1791; Hook. f. & Thomson in Fl. Brit. India 1: 185. 1872, in obs.

Herbs, perennial acaulescent; rootstock densely articulated. Leaves in rosette, triangular-ovate to hastate, cordate at base with prominent rounded basal lobes, acute or roundish at apex, crenulate or serrate along margins, 1.5 - 6 x 1 - 4.5 cm, glabrous; petioles 1 - 10 (-13) cm long; stipules ovate-lanceolate, acute or acuminate at apex, 3 - 10 x 1 - 2 mm, sparsely dentate. Peduncles 1 - 10 (-15) cm long, 1- flowered, bibracteolate above the middle. Flowers 9 - 11 mm across, generally apetalous and cleistogamous, rarely perfect, pale purple with dark throat. Sepals ovate to ovate-lanceolate, with incised appendages, ca 5 mm long, glabrous. Petals when present up to 1.2 cm long, oblong to obovate-oblong; lateral ones bearded at base; spur ca 3 mm long, cylindrical, obtuse. Style geniculate at base, clavate. Capsules up to 1 cm long, ellipsoid to oblong, glabrous.

Fl. Jan. - June.

Distrib. India: Subtropical to temperate Himalayas, 500 - 2500 m. Himachal Pradesh, West Bengal, Sikkim, Arunachal Pradesh, Assam, Nagaland and Meghalaya.

Myanmar, Malaysia, Indonesia, Philippines, S.W. China.

Notes. This species is often confused with V. betonicifolia. However, it can be distinguished by its triangular hastate leaves with subcordate and attenuate base and generally apetalous flowers.

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