Epiphytic, clump-forming herbs or subshrubs; stems erect or ascending, to 45 cm tall, usually shorter, woody toward the base, the internodes green or reddish, strigose. Leaves subequal in a pair, thick from dense, large-based hairs, elliptic to ovate, 3.5-7.0 cm long, 1.5-3.0 cm wide, the apex acute to obtuse, the base acute to cuneate, serrate or serrulate, dark or medium green above, nearly sericeous, lighter below, green or rarely reddish and strigose pilose; petioles to 2 cm long, strigose. Inflorescences in the upper axils, cymose, congested and few-flowered; peduncles short or lacking; bracts lanceolate to ovate; pedicels short. Flowers inconspicuous; calyx lobes distinct, nearly equal, lanceolate, green, sericeous out-side, nearly glabrous inside, 6-9 mm long, ca. 2 mm wide, serrulate; corolla white or cream, the upper side of the tube and the upper lobes of the limb pink, red, or orange, red spotted in throat, the tube oblique in the calyx, narrowly campanulate to funnelform, with a short rounded spur, 8-10 mm long, outside sericeous toward the limb, inside glandular pubescent in the throat, the limb spreading, ca. 1 mm wide, bilabiate with the lower and the lateral lobes rotund, ca. 3 mm long and wide, the upper lobes slightly smaller, entire; stamens included, the filaments adnate for ca. 2 mm to the base of the corolla tube, curved ca. 4 mm long, reddish, glandular pubescent, the anthers coherent in 2 pairs; disc reduced to a bibbed gland, white, glabrous; ovary pilose, the stigma stomatomorphic. Berry sub-globose, white, pilose; seeds oblong, striate, ca. 0.5 mm long, dark reddish brown, shiny. Chromosomes n = 9 (Wiehler, 1975).
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