Orchidspecies shows HOT and TOTAL SHADE. Found in Guatemala, Nicaragua, Costa Rica, Panama and Ecuador at elevations of 70 to 550 meters as a small sized, hot growing epiphyte with an erect ramicaul enveloped basally by 2 to 3 tubular sheaths and carrying a single, apical, erect, narrowly ovate, acute, abruptly narrowing below into the petiolate base leaf that blooms on an erect, 2" [5 cm] long, few to several flowered inflorescence Erect or repent epiphyte, to ca 20 cm high;pseudobulbs lacking; secondary stems slender' 1-leaved,to 19 cm long, enveloped tightly at base by a scarious sheath,arising from a creeping, densely rooting rhizome. Leaveslanceolate-ligulate, acute to acuminate, narrowly acute at base,6-16 cm long, 1-2.5 cm wide, thick; blade, secon_dary stem,and pedicels often violet-purple. Flowers few, in terminal racemesabout half as long as leaves, yellow_-green, all parts lightly or heavily marked with violet-_purple especially near base; sepals narrowly pointed, 5.5-9 mm long, with a thick medial rib,persisting in fruit; petals oblong-oblanceolate, much shorter and e_closed within sepals, exceeding length of column; lipthick, oblong, 2.5-3.5 mm long, with 2 short erect teeth laterally below the middle. Fruits oblong, somewhat oblique,broadened toward apex, 2.5-3.5 cm long. Croat 16200. Infrequent, in the forest and in Citrus (66. Rutaceae) trees atthe Laboratory Clearing. Flowers principally in the rainy season but also in the late dry season (April to October). The fruits have been seen in January but also in mid-June. Costa Rica and Panama, In Panama, known from tropical moist forest in the Canal Zone and tropical wet forest inColon (Rio Indio).