Epiphytic shrub 7-10 dm tall, arising from a lignotuber.  Mature stems subterete, smooth or minutely striate, glabrous or puberulent;  bark blackish-red when dry;  immature stems and twigs of the new growth subterete, striate, glabrous or puberulent, brownish or grayish when dry;  bud scales 4 (?), narrowly ovate to linear, long-acuminate, 2.5-5 mm long.  Leaves thin-coriaceous, lance-elliptic to ovate, (4.5-)6-16 x (1.5-)2-5.4 cm;  base rounded to obtuse or shortly cuneate;  apex short- to long-acuminate; margin remotely crenate, glabrous, glandular-fimbriate beneath but fimbriae soon deciduous;  5(-7)-plinerved,  midrib impressed above, thickened and raised for the proximal 1-1.5 cm, elevated beneath, lateral veins and reticulate veinlets slightly raised on both surfaces;  petioles subterete, rugose, glabrous, slightly winged laterally, 5-10 x 1.5-2 mm.  Inflorescence racemose with a solitary flower, the pedicel  long-pendent, arising from a short rachis 1.5-3.5 mm long;  floral bract ovate, ca. 1 mm long, the margin glandular-fimbriate;  pedicels terete, minutely ribbed, 150-200 x 0.3-0.8 mm, but greatly expanded distally near articulation up to 8 mm in diam., glabrous;  bracteoles nearly basal, aristate, 1.5-4 mm long, the margin glandular-fimbriate.  Flowers 5-6-merous;  hypanthium obconic, muricate, 3.5-5 mm long;  calyx 9-12 mm long, glabrous, the limb campanulate, conspicuously veined, 5-7 mm long including the lobes, ca. 13 mm in diam. at the distal tip;  lobes broadly ovate, apiculate, 2.5 x 5 mm;  sinuses acute to obtuse; corolla thin, chartaceous when dry, campanulate-cylindric, pink to greenish-white, ca. 22 x ca. 25 mm, glabrous, the lobes broadly ovate, 2.5 x 6 mm, glabrous within;  stamens 10 or 12, equal, ca. 12 mm long;  filaments distinct, ca. 4.5 mm long, 2 mm wide at base, ciliate;  anthers including the tubules ca. 10 mm long;  thecae 6.8-7.5 mm long;  tubules 3.0-3.2 mm long, pilose adaxially, dehiscing by oval clefts 1.5-2 mm long;  style glabrous, 16-18 mm long.  Berry not seen, but reportedly pure white when mature.

     Distribution (Map).  Known from Limón Prov., Costa Rica and thence disjunct to west-central Panama in the provinces of Veraguas and Coclé at elevations from 600 to 1100 m.  Rare and probably endangered.