Psammisia orientalis Luteyn, Fl. Ecuador 54: 188.  1996.  Type.  Ecuador.  Morona-Santiago, Limón-La Unión construction rd,ca. 10 km from Limón, 1400 m, 27 Feb 1993 (fl), Harling & Stahl 26732 (holotype, GB, photo NY neg. 13001;  isotype, S).

        Epiphytic shrub;  stem terete, striate, bark exfoliating in thin strips, nitid, glabrous;  twigs subterete, bluntly complanate, striate, nitid, glabrous.  Leaves coriaceous, narrowly ovate-elliptic, 12.5-19.5 x 3.5-6 cm, base rounded, apex acuminate, margin entire, lamina glabrous but with two to several circular, concave, blackish glandsca. 0.2-0.3 mm diam. near base beneath;  pinnately nerved withca. 4-5 pairs of lateral nerves per side, midrib and lateral nerves impressed above and conspicuously raised beneath, reticulate veinlets slightly raised on both surfaces;  petiole subterete, stout, slightly winged, carinate,ca. 5-6 mm long, glabrous.  Inflorescence cauliflorous on older stems, solitary, racemose, 10-15-flowered;  rachis subterete, congested,ca. 1-1.5 cm long, glabrous;  floral bract triangular, acuminate, 1-2 mm long, reflexed post-anthesis, glabrous;  pedicel subterete, striate, 15-18 mm long, glabrous;  bracteoles nearly basal, ovate, acuminate,ca. 0.7-1 mm long, marginally scarious.  Flowers with calyxca. 3-4 mm long, glabrous;  hypanthium cylindric-campanulate,ca. 1.5-2 mm long, the base rounded;  limb campanulate, wide-spreading,ca. 2 mm long;  lobes broadly ovate-deltate, acuminate to apiculate,ca. 1 mm long, margins appearing torn;  sinuses acute;  corolla cylindric, twice-constricted: weakly constricted about the middle and abruptly and strongly constricted distally near the throat,ca. 15 mm long and 3-4 mm diam. when dry, glabrous but with glandular fimbriae distal to constriction (i.e., along throat), orange to reddish-orange below constriction, pale green distally, the lobes spreading, narrowly oblong-ovate, acute,ca. 3-4 mm long, green;  stamenca. 8.5-9 mm long;  filaments distinct,ca. 2.5-3.5 mm long, densely puberulent along margin, the connectives alternately minutely spurred, these present but inconspicuous;  anthersca. 7-8 mm long;  thecae 4.5-6 mm long, the base narrowed and often incurved;  tubules distinct to basally connate, somewhat geniculate, 2.5-3 mm long, dehiscing by clefts, 1-1.3 mm long;  style very long-exserted, 22-27 mm long, glabrous, the exserted portion reddish.  Berry not seen.

        Distribution.  Endemic to Ecuador (Morona-Santiago) and known only from two collections;  primary moist forest at 1400-1600 m altitude.