Epiphyte.  Mature stems terete, striate, glabrous, drying brownish.  Leaves coriaceous, elliptic, 10-16 x 3.5-6 cm, basally obtuse to broadly cuneate, apically short-acuminate, marginally revolute in the proximal 1/4 to 1/3, glabrous above but densely hirsute beneath with ferrugineous trichomes to 1.2 mm long;  5(-7)-plinerved, the midrib raised in the proximal 1-2 cm but impressed distally above and conspicuously raised beneath, the inner nerves arising from 1-2 cm above the base and continuing to the apex, all lateral nerves impressed above and conspicuously raised beneath, reticulate veinlets impressed above and raised but inconspicuous beneath;  petiole subterete, rugose, stout, 4-7 mm long and 3-4 mm diam, hirsute.  Inflorescence 9-16-flowered, ramiflorous, long-pedunculate, short-racemose to corymbiform, the peduncle 10-11.5 cm long, verrucose, hirsute, provided with few scattered lanceolate bracts ca. 1.5 mm long along its length;  rachis stout, ca. 0.8 cm long;  floral bracts persistent, broadly ovate, ca. 1 mm long;  pedicels subterete, bluntly angled, expanding distally, verrucose, glabrous, 15-18 mm long;  bracteoles near the middle, ovate, 0.8 mm long;  calyx articulate with the pedicel, slightly stipitate, bluntly 5-winged, the wings auricled at the base, glabrous, ca. 3.5-4 mm long;  hypanthium ca. 1.8 mm long;  limb 1.5-2.2 mm long;  lobes ovate, acuminate, ca. 1.3 mm long their margins seemingly glandular;  corolla cylindric but bluntly 5-angled, slightly curved distally, glabrous except the lobes which are sparsely hirsute, ca. 22 mm long, the lobes deltate, ca. 1.8 mm long;  stamens ca. 9.2 mm long;  filaments distinct, 3 mm long, sparsely pilose distally seemingly on alternate filaments;  anthers 7 mm long including the tubules;  thecae 3.5-4 mm long;  tubules separate to the base, dehiscing by clefts 1.5-2 mm long.  Fruit not seen.

    Distribution.  Endemic to Colombia, and known only from five collections.  Rare and endangered.