Liane with slender to stout stems up to 10 m. or more tall; branchlets slender, unarmed to prickly; in open often of bushy growth with densely interlacing branchlets; prickles yellow, hardly recurved to straight. Lvs quinate to ternate, with prickly petioles and petiolules, stipules narrow-linear; lamina glab., polymorphic: (a) reduced almost to midrib, c. 1-5 cm. × 1-5 mm., often lobed at base, on petioles and petiolules up to 2 dm. long, us. beset with prickles; found on bushy form or on plants scrambling over low shrubs; passing into (b) well-developed lanceolate to ovate-lanceolate, distantly serrate to crenate-serrate, sts lobed, rounded at base, up to 7 × 3 cm., petioles and petiolules shorter, unarmed to markedly prickly; midrib unarmed or sparingly prickly. Fls in panicles or racemes up to 2 dm. long, pedicels pubescent; sepals oblong-ovate, pubescent, c. 3-4 mm. long; petals 5, yellowish, linear-oblong, c. 4-5 mm. long; stamens ∞; carpels ∞; frs c. 6 mm. long, flesh orange-red.

2n = 28

Liane with slender to stout stems, often ± leafless and forming a low bush of intertwining branchlets in exposed sites; stems terete, hairy when young; armature of short, curved (sometimes almost straight), yellow prickles. Lvs palmate; leaflets 3-(5), glabrous or rarely with scattered hairs on veins, serrate to crenate-serrate; terminal leaflet lamina ovate-lanceolate to lanceolate, often lobed or much reduced, often to midrib only, up to 70 × 20-(40) mm, with petiolule (10)-30-200 mm long. Infl. a many-flowered panicle up to 5-(12) cm long. Petals yellowish. Drupelets orange-red.