Suberect to straggling or ± climbing shrubs, up to 4 m. Twigs (scarcely) glandular, otherwise mostly glabrous, prickles 2 under each leaf, up to 4 mm usually no other prickles present. Leaves 4-10 (-12) cm long, free part of petiole up to 1(-1.5) cm long. Stipules adnate over (3.5—)8—11 mm, wings 0.7-1.5 mm wide, free tips 1-2.5 mm long, margin dentate and with stalked glands. Leaflets 7-9, lateral ones elliptic to elliptic-ovate or elliptic-oblong, up to 12-32 by 7-20 mm, apical one larger than upper lateral ones, margin serrate, glabrous or with few hairs, lateral leaflets subsessile, apical petiolules up to 1 cm. Flowers 7-30 or more in a terminal raceme or thyrse, the lower flowers or partial inflorescences in the axils of small leaves. Bracts linear or with expanded apex. Pedicels 1-2.5 cm long, glandular, otherwise glabrous or slightly hairy. Closed flowerbuds globular, mucronate to abruptly acuminate, flowers strongly fragrant. Hypanthium ellipsoid to obovoid, 3-4.5 by 2-3.5 mm in anthesis, outside glandular, with few hairs or glabrous, long-silky inside. Sepals reflexed during and after anthesis, caducous, ovate to elliptic-ovate, acuminate, (6.5-)8-ll by 2.5-4 mm including acumen of up to 4 mm, 1-2 side-lobes on expose! margins, glandular and sparsely hairy outside. Petals (broadly) obovate, 11-18 by 9-11 mm, refuse, white. Stamens 100 or more, filaments up to 7 mm, anthers up to 1.5 mm long. Pistils 12-25, ovary with a plume of long stiff hairs on one side at apex, styles 5.5-7 mm long, cohering, hairy. Hips globular, 6-8(-10) mm, smooth, bluish-black. Achenes angular ovoid, c. 4.5 mm long, with hair;, on one side, pericarp thick, woody.
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