Straggling shrub or woody climber, whether or not epiphytic, 2-3 m, irregularly branched, glabrous in all outer parts. Branchlets terete, firm, up to 4 mm ø, red brown when dry, laxly foliate. Leaves suborbicular or sometimes broadly ovate or elliptic-ovate, apex generally rounded or somewhat truncate-retuse, rarely broadly obtusely subacuminate, base rounded to cordate and often auriculate or even amplexicaul, the auriculae large, ± rounded and overlapping, with a pair of strictly basal marginal not much conspicuous glands, sessile or shortly (up to 7 mm) petioled, coriaceous, often with verruculose prominent points on each face, 5-12 by 4-6 cm, nerves 4-6 pairs, all from the very base, high curved-ascending and regularly anastomosing, prominent on both sides as is the midrib, connected by conspicuously raised, ± transversal veins which form a rather lax network with the less prominent veinlets. Flowers 1-2(-5). Pedicels very slender, 1-2.7 cm, with 2 minute bracteoles. Calyx cup-shaped, c. 1.5 mm, limb suberect, 1-1.5 mm, halfway 5-lobed, lobes broadly triangular, acutish. Corolla narrow-campanulate, thin, pink or mauvish pink, or a very light violet at the top and nearly red at the base, 6-7 mm, 4-lobed, lobes deltoid-ovate, rather bluntish, erect, 2-3 mm. Stamens 8; filaments ascendently short-hairy, c. 2 mm; cells narrow-oblong, papillose, 1.5 mm; tubules erect, gradually attenuate upwards, c. 2 mm, the slits 0.5 mm. Disk inconspicuous. Style 5-6 mm, glabrous. Fruit baccate, 4-5 mm ø, obsoletely 4-locular. Seeds obtusely angular, 1-1.5 mm; testa foveolate-reticulate.
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