Climbing shrub; twigs slightly zig-zag, densely minutely grey or ferruginous-tomentose, sometimes glabrescent; internodes up to 9 cm. Thorns recurved, c. 1—2(-3) mm, sharp, sometimes wanting, especially on flowering twigs. Leaves subcoriaceous to coriaceous, often brownish green when dry, ovate to (rarely) obovate, 1.6-4.3 times as long as wide, initially densely minutely ferruginous-tomentose, soon glabrescent and glossy above, (5.5-)7-9(-12) by l.75-4(-7.5) cm; base rounded, subcordate, blunt, or acute, top mostly attenuate and acuminate, rarely blunt, acumen up to 0.5 cm, acutish with a minute, thickened mucro; midrib flat to shallowly sulcate above; nerves 6-8(-11) pairs under an angle of c. 45°; intermediate veins often wanting, reticulations distinct; margin sometimes crinkled; petiole 5-17 mm, hairy as the twigs. Flowers white, serial, sometimes developing before the leaves at the end of young twigs, 2-10 in a row 2-12 mm long, pedicels 6-17 mm, hairy as the twigs, finally glabrescent; floral leaves sometimes abortive. Buds c. 4 mm diam. Sepals herbaceous, acute, ferruginous-tomentellous outside, outer pair c. 4-5 by 2-3 cm, the inner pair narrower and flattish. Petals ovate to elliptic, 5-7 by 2-4 mm, slightly unequal, puberulous on both sides. Disk up to 1 mm long. Stamens 7—8(-12), filaments 20-27 mm. Gynophore 2-2.5 cm but sometimes abortive and only a few mm, glabrous or glabrescent at the base; ovary ovoid, c. 1.5 by 1 mm, stigma knob-shaped. Pedicel, torus, and gynophore slightly incrassate. Fruit (sub)globular, c. 2-2.75 by 2-2.5, pericarp corky-leathery, c. 1.5-2.5 mm thick, with small scattered warts. Seeds ∞, up to 7-8 by 5-6 by 4 mm.
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Shrub, climbing; twigs tomentose. Spines recurved, 1–3 mm long, sometimes absent on flowering branches. Leaves ovate to obovate, acuminate, mucronate, 5.5–12 cm long, 1.2–7.5 cm wide, glabrescent especially above; base acute to sub-cordate; midrib flat to sunken; margin sometimes crinkled; veins 6–11 pairs; petiole 5–17 mm long. Inflorescence of 2–10 flowers, ramiflorous, at or near end of young twigs; pedicels 6–17 mm long. Sepals c. 4–5 mm long, 2–3 mm wide, the inner pair narrower, finely tomentose outside. Petals 5–7 mm long, 2–4 mm wide, subequal, puberulous on both sides, white to cream. Stamens 7 or 8, rarely up to 12, equal to gynophore. Gynophore 2–2.8 cm long, glabrous or almost so at base; ovary ovoid, c. 1.5 mm long; placentas 4. Fruit subglobular, 2–2.8 cm diam.; pericarp corky-leathery, tuberculose. Seeds numerous; axis through attachment 5–6 mm long.
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