Creeper, up to 20 m long, 7½ cm diam., younger branches strigose, older ones terete with rather many orbicular lenticels. Leaves subcoriaceous, elliptic-oblong to oblong or ovate-oblong, 7-14 by 3-7 cm, 7-9-nerved; acute to obtuse, slightly acuminate at the apex, obtuse to acute at the base; glabrous, with slightly sunken midrib, faintly prominent nerves, and indistinct to faintly prominent venation above; glabrous, with slightly prominent nerves and faintly prominent venation beneath. Petiole 8-12 mm. Inflorescences axillary, up to 1½ cm, (3-)6-12(-15)-flowered. Pedicel l ½-4 mm. Sepals 1 & 2 broad-ovate to orbicular or transverse-oval, 2-2.5 by 2.2-2.8 mm, 4 & 5 transverse-oval, 2-2.2 by 3-3.5 mm, rather densely to densely strigose outside (hairs 2-branched, up to 350 µ total length). Corolla pale greenish white, 7-9 ½ mm, tube 1½-3 mm; midpetaline field 3-4 by 2.2-3 mm, densely appressed-hairy (hairs 2-branched, up to 600 µ total length); lobules 3½-4½ by 3-3½ mm, rather thin, with faintly distinct to distinct venation, slightly crenate at margin, coherent above the midpetaline field for 1 mm. Stamens inserted 0.8-1.2 mm above the corolla-base; filament 0.7-1 mm long, 0.4-0.6 mm broad at the base; anther 1-1.9 mm long, 0.6-0.8 mm broad, 0.4-0.5 mm thick, acute at the apex, cordate at the base. Ovary 1-1.5 by 1.3-1.7 mm, rather densely appressed-hairy for whole surface or the upper part only; stigma conical, with 10 rather distinct ridges. Fruit unknown.
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