Impatiens racemosa DC.

Plants annual, (3-)20-60 cm tall. Stem erect, branched, glabrous. Leaf petiole (0.2-)1-2.5 cm; leaf blade elliptic-lanceolate or elliptic-ovate, (1.5-)5-10 × (0.5-)2-4(-5) cm, membranous, both surfaces glabrous, setose between teeth, lateral veins 7-9 pairs, base cuneate, attenuate into petiole, margin crenate, apex acuminate. Inflorescences axillary or subterminal, racemose, 2-10 cm, 4-10-flowered; peduncles often over subtending leaves, slender. Pedicels slender, bracteate at base; bracts persistent, ovate-lanceolate, small, apex glandular. Flowers yellow or pale yellow, small; buds apically rounded. Lateral sepals 2, red when dry, falcate or obliquely ovate, small, 2-3 mm, with 1 gland at one side of upper margin, apex aristate. Lower sepal navicular, usually 1.1-1.8 cm deep including spur, narrowed into an incurved, long spur, or spur very short or absent. Upper petal cucullate, orbicular, 3-5 × 5-8 mm, abaxial midvein not thickened; lateral united petals not clawed, 2-lobed; basal lobes ovate to orbicular, 2-5 × 1.5-3 mm; distal lobes broadly dolabriform, 0.7-1.4 × 0.4-0.7 cm, apically 2-lobed, apex rounded; auricles rounded. Anthers obtuse. Capsule linear or narrowly clavate, to 2.5 cm. Seeds many, brown, oblong. Fl. Jun-Aug.

Himalaya (Kashmir to Bhutan), Assam, S. Tibet.

Xizang [Bhutan, N India, Kashmir, Myanmar, Nepal].

1300-3900 m

Grasslands along canals, mossy or stony slopes; 1200-3300 m.