Epiphytic shrub;  stems slender, subterete, glabrous, brownish when dry;  bark striate, longitudinally cracking;  twigs subterete.  Leaves coriaceous, elliptic to ovate-oblong, 5-8 x 1.5-2.5 cm, basally cuneate, obtuse, apically long-acuminate, glabrous;  5-plinerved, the secondary nerves arising near the base, midrib and lateral nerves plane or slightly raised above, raised beneath, the reticulate veinlets sligthly raised on both surfaces;  petiole rugose, glabrous, 2-3 mm long.  Inflorescence axillary, laxly racemose, 6-12-flowered, essentially glabrous in all parts, deciduously bracteolate at the base with several submembranous, oblong bractlets up to 1 cm long;  rachis rugose, 1.5-3 cm long;  pedicels subrugose, slender 10-20 mm long;   floral bracts deciduous, oblong, obtuse;  bracteoles basal, linear, 2-4 mm long, glandular-fimbriate.  Flowers with calyx ca. 5 mm long;  hypanthium rugose, subcylindric, ca. 2 mm long and 3 mm in diam.; limb submembranous, ca. 2 mm long; lobes apiculate, ca. 1 mm long, sparsely glandular-fimbriate margined;  sinuses rounded;  corolla membranous, 15-33 mm long and 3-4 mm diam., the lobes triangular, less than 1 mm long;  stamens alternately 4.5-6 mm and 6-7.5 mm long;  filaments connate in the basal half, pilose distally, alternately 2-4 mm and 3.5-5.5 mm long;  thecae slightly granular, ca. 1 mm long;  tubules ca. 1.6 mm long, dehiscing by terminal or subterminal pores;  stigma truncte.

    Distribution.  Endemic to Bolivia.  Rare.