Epiphytic vinelike subshrubs; stern woody, slender, 3-5 mm in diam. above, green and glabrous toward the apex, brown below, the internodes to 3 cm long, the nodes prominent. Leaves equal to unequal in a pair, ovate or elliptic, 2.3-8.5 cm long, 1.0-3.5 cm wide, membranous, the apex acute to acuminate, the base acute, serrulate, above dark green, strigillose, below lighter green, glabrous; petioles 0.5-2.0 cm long, glabrous or verrucose on drying. Inflorescences in the upper axils, 1-flowered; peduncles lacking; bracts minute, linear, 1-2 mm long; pedicels ca. 2 cm long, slender at the base, ca. 1.5 mm in diam., broader toward the apex, to 4 or 5 mm wide, glabrous, but strigillose at the apex. Flowers showy; floral tube ca. 1 cm in diam., the calyx somewhat oblique, the lobes ovate or tri-angular, 0.8-1.1 cm long, 0.5-0.9 cm wide, erect except the upper lobe pushed back by the corolla spur, the basal lobes connate for ca. 8 mm, the upper and the lateral lobes connate ca. 3 mm, the apex acute, the margin serrate, the outside strigose, green and lavender or reddish, the inside strigillose; corolla white with a deep red spot in the throat, the tube oblique in the calyx, funnelform to sub-campanulate, 3.0-3.6 cm long, the spur bulbous and fleshy, ca. 5 mm long, the tube 6 mm in diam. just above the spur, suddenly larger at the middle and am-pliate to ca. 1.5 cm in diam. at the throat, the outside pilose at the base, becoming strigose above, the inside glandular, densely so on the upper side, the limb oblique, the lobes rotund, the upper 8 mm long, the lower lobe 1.0 cm long, 1.3 cm wide, the margins crenate to erose; stamens included, the filaments broad and fleshy at the base, filiform above, to 1.8 cm long, yellow, glabrous, coiling after pollen is shed, the anthers sagittate, 4 mm long, 2 mm wide; disc reduced to a single ovate posterior gland; ovary narrowly conic, puberulent, the style curved, ca. 1.2 cm long, pilose below, the stigma capitate. Capsule elongate globose, 1.0-1.2 cm long, 0.7-0.9 cm wide, dehiscent by 2 fleshy recurving lavender valves; seeds narrowly filiform, 1 mm long, longitudinally striate, dark reddish brown.
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