Herbs 0.9-1.5 m tall. Stems sparsely brown long crisped glandular hairy. Basal leaves 3 × ternately compound; common petiole ca. 60 cm, sparsely brown long crisped glandular hairy; leaflets ovate to broadly so, 2.3-5 × 1.8-4.6 cm, glandular hairy, base cordate to broadly cuneate, margin doubly serrate, apex acute. Cauline leaves smaller than basal ones. Panicle 24-28 cm; branches brown long crisped glandular hairy; pedicels 0.5-2 mm, glandular hairy. Sepals 5, ovate, 1.5-2 × ca. 1 mm, abaxially and marginally glandular hairy, adaxially glabrous, 1-veined. Petals 5, pink to red, linear, 4-5 × 0.3-0.5 mm, 1-veined. Stamens 10, ca. 3 mm. Pistil ca. 5.7 mm; carpels 2, base connate; ovary semi-inferior, styles divergent. Fl. Jun-Jul.
Damp woods and along shady streams. Open broad-leaved forests, forest edges and amongst shrubs. Forests, forest margins, meadows, valleys and riversides; at elevations from 400-3,600 metres.
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