Lateropora santafeenis Wilbur & Luteyn, Brittonia 29: 261.  1977.  Type.  Panama.  Veraguas:  road beyond Escuela Agrícola Alto Piedra, above Santa Fé, 800-1000 m, 1 Jan 1975 (fl),  Luteyn & Wilbur 4575 (holotype, DUKE, photo of holotype, NY).

        Epiphytic shrub 0.5 m tall with stout, glabrous, purplish branchlets and grayish branches.  Leaf blades coriaceous, elliptic, 3-8.5 x 2-4.5 cm, acutely tapering to both the apex and the base, the margin entire, thickened, slightly revolute, glabrate or with appressed, reddish-brown, apparently glandular, strigillose trichomes 0.2-0.3 mm long especially on the lower surfaces;  pinnately veined;  petioles glabrous, 3-5 mm long and 2-3.5 mm in diam.  Inflorescences axillary, compact, of umbelliform racemes 2-3 cm long;  peduncle and rachis 8-12 mm long;  floral bracts scalelike, ciliate, ovate to suborbicular, somewhat keeled, 2-2.2 mm long and about as wide;  pedicels stiff, somewhat clavate, glabrous, 5-13 mm long, medially ca. 1 mm in diam.;  bracteoles 2, subopposite, broadly ovate or suborbicular, ciliate, keeled, appressed, 2-2.5 x 1.8-2.2 mm, borne on the lower 1/4 of the pedicel.  Flowers with the calyx glabrous, 3-4 x 4-5 mm, disarticulating from the pedicel by a marked groove often inconspicuously fringed by glandular trichomes 0.1-0.2 mm long;  hypanthium campanulate;  limb glabrous, 0.5-0.7 mm high;  lobes 5, erect, triangular, acute, 1.5-2 x 2-2.2 mm, short-ciliate;  corolla pale greenish, broadly culindric to urceolate, 4-5 mm long, medially 5-6 mm in diam., sparingly and inconspicuously strigillose with trichomes 0.1-0.2 mm long, the lobes 5, spreading to weakly reflexed, triangular, acute, 1.5-1.8 x 2 mm, inside densely tangled villous with white trichomes 0.6-1.0 mm long;  stamens 10;  filaments flattened, 2.5-3 mm long, broadened basally to ca. 1 mm wide, densely pilose distally;  anthers attached near the middle just above the basal bend in the thecae, ca. 3 mm long, dehiscing by means of a longitudinal slit from the apex to the basal curve;  thecae conspicuously granular, with a strongly incurved base ca. 1 mm long;  tubules vestigial, ca. 0.3 mm long.  Fruit not seen.

        Distribution.  Endemic to Panama and known only from three collections.