Botanical Survey of India | Flora of India

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Impatiens parvifolia Beddome in Madras j. Lit. Sci. ser. 2. 20: 66. t. 7, f. 1. 1859; & Icon. 29, t. 142. 1868 - 74; Hook. f., Fl. Brit. India 1: 453. 1874. I. omissa Hook. f. in Rec. Bot. Surv. India 4: 48. 1906.

Herbs 12 - 25 cm long; stems simple or branched. Leaves opposite and alternate, sessile or petioled, ovate-elliptic, crenate-serrate, 0.8 - 2 x 0.5 - 1.3 cm; petioles up to 7 mm long. Flowers axillary, solitary or in racemes, white, or pale pink with crimson blotches; peduncles up to 5 cm long. Lateral sepals small, falcate. Lip cymbiform; spur green, short, blunt. Standard suborbicular, kelled. Wings up to 1.2 cm long, bilobed; basal lobes small; distal lobes triangular, thrice larger than basal ones; dorsal auricle minute. Capsules ellipsoid; seeds ovoid, villous.

Fl. & Fr. Sept. - Dec.

Distrib. India: Southern W. Ghats, 1800 - 2500 m. Tamil Nadu and Kerala.


Notes. J.D. Hooker (Rec. Bot. Surv. India 4: 48. 1906) separated I. omissa from I. parvifolia based on presence of "filiform dorsal auricle of wing" in the former which is reduced to a minute appendage in the latter. But there is no consistency in that character. However, there is difference in chromosome numbers, 2n = 28 in the fonner and 20 in the latter (Virendra Kumar& Subramanian. Chr. Atlas Fl. Pl. Ind. Subc. l: 86. 1986).

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