Botanical Survey of India | Flora of India

JSP Page
Viola betonicifolia J. Smith in Rees, Cyclop. 37(1): Viola no. 7. 1817. V. betonicifolia subsp. nepalensis (Ging.) W. Becker in Engler, Bot. Jahrb. 54 (Beibl. 120): 166.1917. V. patrinii var. nepalensis Ging. in DC., Prodr. 1: 293. 1824.


Herbs, perennial, 8 - 20 cm high; roots slender, unbranched; stem absent. Leaves in rosette, variable, linear-lanceolate to triangular-hastate or triangular-ovate, cuneate, truncate or widely shallowly cordate at base, usually decurrent on petiole, shallowly and distantly crenate, sometimes dentate on basal lobes or rarely serrate, acute or sometimes roundish obtuse at apex, 1.5 - 10 x 0.5 - 3 cm, glabrous; petioles longer than lamina, 2 - 14 cm long, winged above, glabrous; stipules ovate-Ianceolate, acuminate, 2 - 15 mm long, ca 1 mm wide, short-fimbriate, adnate to petiole up to middle point. Peduncles equalling or exceeding leaves, 5 - 15 cm long, glabrous. Flowers white to purple, with darker veins; bracteoles opposite, lanceolate, acute, entire. Sepals ovate-lanceolate to oblong-lanceolate, acute or acuminate, 4 - 8 mm long, 1 - 2.5 mm wide, glabrous or ciliate, green with scarious margins. Petals oblong-ovate, up to 15 mm long; lateral ones usually bearded at base; spur cylindrical, straight or slightly upcurved, 2 - 6 mm long. Style almost geniculate at base, clavate above, up to 3 mm long. Capsules ellipsoid to oblong, up to 1 cm long, glabrous.



KEY TO THE SUBSPECIES


1a. Leaves linear-lanceolate to triangular-ovate; flowers up to 1.5 cm across; sepals ca 8 mm long, oblong; spur 2 - 4 mm long 1.1. betonicifolia
b. Leaves ovate-oblong to broadly lanceolate; flowers ca 2 cm across; sepals 4 - 6 mm long, lanceolate; spur 5 - 6 mm long 1.2. jaunsarensis



RELATED IMAGES

JSP Page
  • Search