Impatiens arguta var. bulleyana J. D. Hooker; I. gagei J. D. Hooker; I. namchabarwensis R. Morgan et al.; I. taliensis Lingelsheim & Borza.

Plants perennial, to 70 cm tall. Stem erect, rigid, branched. Leaves alternate; petiole 1-4 cm; leaf blade ovate or ovate-lanceolate, 4-15 × 2-4.5 cm, often with 2 stipitate basal glands, glabrous, lateral veins 7 or 8 pairs, base cuneate, margin sharply serrate, apex acute or acuminate. Inflorescences axillary, 1- or 2-flowered; peduncles very short. Pedicels long, slender, often with 2 setose bracts at base. Flowers pink or purple-red, large or medium-sized. Lateral sepals 4; outer 2: subovate, apex long cuspidate; inner 2: narrowly lanceolate. Lower sepal saccate, narrowed into an incurved, short spur. Upper petal orbicular, apex mucronulate, abaxial midvein narrowly carinate; lateral united petals not clawed, 2-lobed; basal lobes broadly oblong; distal lobes dolabriform, large, apex 2-fid; auricle conspicuous. Anthers obtuse. Capsule fusiform. Seeds few, globose, slightly shiny. Fl. Jul-Sep. 2n = 18, 20.

The flowers are used medicinally for dissolving clots, promoting diuresis, and treating abdominal pain, postpartum blood stasis, carbuncles, and difficulty in urination.

Forest understories, thickets, grasslands in valleys, along canals, moist places; 1800-3200 m. SW Sichuan, E Xizang, C and NW Yunnan [Bhutan, NE India, Myanmar, Nepal].