Epiphytic, lianoid shrubs;  branchlets subterete, fuscous or cinerous, striate, glabrous.  Leaves coriaceous, dull or nitid, ovate to ovate-elliptic, (6-)7-12 x (2.5-)3-5 cm, basally rounded, apically short-acuminate, margin entire;  3-5-plinerved, the midrib thickened near the base then distally impressed to nearly plane above, prominently raised beneath, the lateral nerves arising from near the base, plane or slightly impressed or raised above, raised beneath, the reticulate veinlets weakly raised on both surfaces but obscure;  petioles rugose, 3-6 mm long, glabrous.  Inflorescences axillary, 1-3 rachises per axis, short-racemose, 4-9-flowered;  rachis terete or bluntly angled, slender, 6-15 mm long, glabrous;  pedicels subrugose, 7-15 mm long, glabrous;  floral bracts minute, 1-1.75 mm long, deciduous or subpersistent;  bracteoles 2, located basally to medially, ovate, often abruptly acuminate, 1.2-2(-3) mm long, persistent.  Flowers with calyx ca. 3-3.5 mm long, glabrous or minutely puberulent;  hypanthium cylindric-campanulate, 1.5-2 mm long, basally truncate;  limb campanulate-spreading, 1-1.5 mm long;  lobes apiculate, connivent after anthesis;  sinuses broadly rounded;  corolla thin-carnose, apparently 5-angled, 8-11 mm long and 4-7 mm medial diam., the lobes erect, deltate, subacute, 1-1.75 mm long;  stamens 10, alternately 4.5-5 mm and 5.5-6 mm long;  filaments equal, glabrous, 1.5-2 mm long;  anthers alternately 4-4.5 mm and 5-5.5 mm long;  thecae granular and tapering to an acute base;  longer tubules flaring distally, but not much ornamented, dehiscing by broad oval clefts ca. 2 mm long;  style to 16 mm long, long-exserted (to 4-7 mm beyond corolla lobes).  Mature berry not seen.

    Distribution.  Endemic to French Guiana, where it is found commonly in gallery forests.  Rare.