Extensive liane climbing to tops of highest trees and probably sometimes well exceeding 30 m.; stems up to 2.5–5 cm. in diameter at the base; young branchlets with small stellate branched or fasciculate ferruginous hairs, soon glabrous, brown or grey, ridged and lenticellate.. Leaf-blades obovate to oblanceolate or obovate-oblong, 5–19 cm. long, 1.6–7.3 cm. wide, mostly distinctly shortly acuminate at the apex, cuneate at the base, not coriaceous, concolorous, glabrous or with some excessively minute hairs on the lower surface and some hairs on the midrib; venation finely reticulate but not very prominent; petiole 3–4 mm. long, with some ferruginous hairs.. Flowers solitary, terminal or ? axillary; peduncles 4–12 cm. long, stout, densely pubescent with ferruginous hairs; bracteoles ovate, small, very deciduous (not seen); buds pyramidal, the sepal-sutures raised and wing-like.. Sepals pale green, ovate, 1.7–3.5 cm. long, 1.8–2 cm. wide, acute, rugulose, free, velvety with brown stellate pubescence.. Petals white or pale apricot-yellow, broadly ovate or rounded ovate, subequal, the outer 2.7–4.5 cm. long,2.6–3.2 cm. wide, the inner 2.6–4 cm. long, 1.8–3 cm. wide, obtuse, rather fleshy, finely puberulous with pale simple crisped hairs, obscurely spotted with small black dots.. Stamens ± 2.5–3 mm. long, 0.5 mm. wide; anther-cells linear; filaments very short; connective-prolongation obtuse.. Carpels numerous, 7 mm. long, 1 mm. wide, hairy.. Fruiting peduncles probably very long; monocarps 45–50, unilateral with regard to the stipe, 1–2.5 cm. long, 0.7–1.5 cm. wide, 2–5-seeded, markedly constricted between the seeds on distal side, very densely velvety with dark brown short hairs; stipes 4–5.5 cm. long, slender, pubescent.. Seeds shining brown, ellipsoid with a flattened face, 1.1 cm. long, 8 mm. wide, 6 mm. thick.. Fig. 2/7, p. 11.
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