Botanical Survey of India | Flora of India

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Impatiens brachycentra Kar. & Kir. in Bijull. Moskovsk. Obsc. Isp. Prir. Otd. Biol. 1: 179. 1842; Hook. f., Fl. Brit. India 1: 481. 1875 & in Rec. Bot. Surv. India 4: 6. 1904.


Herbs, slender, annual, 15 - 60 cm high, glabrous; stems usually branched. Leaves alternate, oblong-elliptic, occasionally lanceolate, cuneate or shortly attenuate towards base, long-acuminate at apex, shallowly crenate to occasionally serrate along margins, lower serrations with ca 1 mm long filiform appendages, 5.5 - 13 x 1.8 - 5.5 cm, green, pale beneath, membranous, glabrous; lateral nerves 6 - 10 pairs; petiole slender, 0.5 - 4 cm long, often with 2 sessile or stipitate glands. Racemes axillary or subterminal; peduncles 2.5 - 7.5 cm long, slender. Flowers small, 3 - 5 mm long, white; pedicels capillary, up to 2 cm long; bracts persistent, minute, setaceous. Lateral sepals ovate to ovate-lanceolate, acute, 1.5 - 2.5 x 1 - 1.5 mm. Lip navicular, 2.5 - 3.5 mm long; spur straight, filiform, 1 - 2.5 mm long, or absent. Standard orbicular-obovate, ca 2 x 2.5 mm. Wings 3 - 6 mm long, bilobed; basal lobes ovate; distal lobes semi-ovoid, obtuse. Capsules fusiform or clavate, acute to obtuse, 1 - 1.8 cm long; seeds few, pyriform, compressed, rugose.

Fl. & Fr. May - Oct.

Distrib. India: W. Himalayas, on moist slopes. 2500 - 4200 m. Jammu & Kashmir (Srinagar), Himachal Pradesh (Simla), Punjab and Uttar Pradesh (Garhwal and Kumaon).

C. Asia, China, Pakistan and Afghanistan.

Notes. Flowers are minute and mostly cleistogamous.

Chromosome no. 2n = 14 (Khoshoo, T.N. in Curr. Sci. 24: 223 - 224. 1955).




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