Shrubs, 0.3–2.5 m. Stems 1–70, rhizomatous, suckering and forming colonies. Leaves less than half-unfolded; petiole (6–)9–15(–22) mm; blade elliptic to oblanceolate or oblong-elliptic, (11–)29–41(–55) × (13–)19–29(–42) mm, base rounded to cuneate, each margin with 0–4(–10) teeth on proximal 1/2 and (0–)3–8(–12) teeth in distalmost cm, largest teeth less than 1 mm, apex subacute to rounded and mucronate, abaxial surface densely (moderately) hairy by flowering, surfaces sparsely hairy (or glabrous) later. Inflorescences (4–)6–8(–11)-flowered, (12–)24–36(–53) mm. Pedicels: (0 or)1(or 2) subtended by a leaf, proximalmost (4–)7–14(–38) mm. Flowers: sepals irregularly spreading or recurved after flowering, (1.3–)2–3(–3.9) mm; petals spatulate to oblong, (2.2–)3–4.5(–6.8) × (0.6–)1–2(–3) mm, ?sometimes bearing 1 or 2 tiny pollen sacs near margins on adaxial surfaces?; stamens (12–)18–20; styles (4 or)5, (1.7–)2.6–3.7(–4.3) mm; ovary apex glabrous or sparsely to densely hairy. Pomes dark purple-blue, 7.5–10 mm diam. 2n = 4x.
Fields, sand-plain grasslands, heaths, glacial outwash plains, forest openings, disturbed sites, stream shores, among rocks or sand, dry habitats, ditches, swales; at elevations up to 400 metres.
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