Epiphytic subshrub, usually ca. 30 cm long, occasionally to 1 m. Stem subwoody at base, succulent above, pendent, repent, or creeping, apex puberulent, glabrescent below. Leaves subequal in a pair; petiole rarely up to 1 cm long, puberulent to glabrous; blade coriaceous when dry, oblong-elliptic, 1.5-11.5 cm long, 0.5-4.0 cm wide, margin mostly serrulate near apex, apex acute, base cuneate, above glabrous to minutely puberulent, below glabrous to minutely puberulent. Flowers in cymose, 1-8-flowered inflorescences; epedunculate; pedicel ca. 0.7-1.7 cm long, minutely puberulent. Calyx green, lobes 2, unequal, dorsal lobe free, oblong, 0.3-0.4 x 0.15 cm, margin entire, pushed down by corolla tube, the other lobe ventral, oblong or rectangular, 0.6-0.7 x 0.3-0.4 cm, margin entire, apex rounded and entire or quadridentate, outside and inside puberulous or glabrous; corolla oblique in calyx, white, pinkish, or light purple, sometimes with markings, 1.6-2.5 cm long, tube funnelform, 1.6-2.5 cm long, base spurred, 0.1-0.2 cm wide, middle broader above, throat not constricted, 0.5-1.1 cm wide, outside glabrous, inside sometimes with several hairs near insertion of stamens and minutely glandular-puberulous in throat, limb 0.9-1.6 cm wide, lobes subequal, spreading, suborbicular, 0.3-0.8 x 0.2-0.8 cm, margin entire; stamens included, ventrally adnate for 0.5-0.6 cm to base of corolla tube; ovary ovoid, 0.15-0.2 x 0.1-0.15 cm, minutely puberulous, style 1.5-2 cm long, sparsely pubescent, stigma stomatomorphic. Mature berry purple, blue-black or dark red, globose, ca. 1 x 1 cm.
Guianas present, eastern Bolivia present, eastern Venezuela present, northern Brazil present
Eastern Venezuela, the Guianas, northern Brazil, and eastern Bolivia; > 150 collections studied (GU: > 50; SU: 20; FG: 40).