Shrubs 1–2 m tall. Branchlets brownish to reddish brown, pubescent, with purple glandular hairs and sparse prickles flattened and broadened basally. Leaves imparipinnate, often 5-foliolate, sometimes 3-foliolate at base of inflorescence; petiole 3–5 cm, petiolule of terminal leaflet 1–2 cm, lateral leaflets subsessile, petiolule and rachis pubescent, with intermixed stalked purple glands; stipules linear, 7–10 mm, pubescent, with glandular hairs; blade of leaflets ovate to ovate-lanceolate, 3–8 × 1–4 cm, both surfaces pubescent and with glandular hairs, abaxially more densely so, base cuneate to subrounded or subcordate on terminal leaflet, margin irregularly coarsely sharply serrate, apex acuminate. Inflorescences terminal, cymose panicles, 15–20 cm, axillary inflorescences subracemes, many flowered; rachis, pedicels, and abaxial surface of calyx pubescent and with stalked glands; bracts linear-lanceolate, 5–8 mm, pubescent, with intermixed glandular hairs. Pedicel 1–2 cm. Flowers ca. 1 cm in diam. Calyx tube pelviform, short; sepals usually erect, lanceolate, 5–8 × 3–4 mm, apex acute to acuminate. Petals white or with reddish spots at apex, suborbicular or broadly obovate, 4–6 mm in diam., slightly shorter than sepals, glabrous, base prominently clawed, margin premorse or minutely obtusely serrate. Stamens numerous; filaments linear. Pistils many, nearly as long as or slightly longer than as stamens; ovary pubescent; style glabrous. Aggregate fruit enclosed in calyx, red, subglobose, 7–9 mm in diam., pubescent; pyrenes distinctly rugose. Fl. May–Jul, fr. Aug–Sep.
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