Climbing shrub; branches black, adpressed puberulous when very young later glabrous, lenticellate.. Leaf-blades oblong or elliptic-lanceolate, 4–12.5 cm. long, 1.4–4.3 cm. wide, narrowed towards the apex or acuminate, the acumen being subobtuse, obtuse at the base, thin, shining and glabrous above, paler beneath but not glaucous, densely adpressed puberulous when young beneath but later glabrous; venation closely reticulate, distinctly and finely raised; petioles 3–4(–7) mm. long, black.. Flowers in 2–5-flowered cymes; peduncles 2 mm. long; pedicels slender, 1–1.7 cm. long, puberulolus, bracteoles elliptic, 1.5 mm. long.. Sepals broadly rounded-trianguar; 2–2.5 mm. long, 3–3.5 mm. wide, puberulous.. Petals greenish-yellow, outer rounded ovate, 5–8 mm. long and wide, inner smaller and narrower, 2–4 mm. long and wide, all puberulous.. Stamens 9–12, ± 2 mm. long; connective produced inside.. Carpels 9–12, ± 2.5 mm. long, ferruginous silky pubescent, 2-ovuled.. Monocarps subglobose or ellipsoid, 5–8 mm. long, conspicuously apiculate; stipes 3–6 mm. long.