Evergreen subshrubs, climbing on rock or other vegetation in alpine conditions, to 1 m tall; branches and twigs mainly black or dark brown when dried. Petiole ca. 3 mm; leaf blade triangular-or elliptic-lanceolate, 4-5 × 1.2-1.5 cm, base and apex attenuate, margin with sparse and sharp denticles; lateral veins obscure. Cymes axillary, 3-5(-7)-flowered. Flowers 4-merous, small, ca. 6 mm in diam.; sepals rotund; petals pale green, ovate or rotund, nearly entire. Ovary smooth. Capsule globose, ca. 6 mm in diam., 4-lobed. Fl. and fr. Jun-Oct.
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