Epiphytic herbs; stems 3-5 mm in diam., pale or dark brown, villous or hirsute. Leaves of a pair strongly unequal, the larger leaves lanceolate to oblan-ceolate, 7.3-14.7 cm long and 1.8-3.4 cm wide, the apex acuminate, strongly oblique at the base, more or less serrate, green above, densely hirsute, hairs brown, 4-6 celled, more numerous on the midrib and the veins, beneath green, densely hirsute, hairs brown, 5-8 celled, more numerous on the midrib and the veins, also 2-3 celled white adpressed hairs; petioles 1-3 mm long; smaller leaves lanceolate, 0.9-1.8 cm long and 2-7 mm wide, acuminate, oblique at the base, green. Flowers solitary or paired; bracts 2.5-4 mm long, linear, entire, brown hirsute; pedicels 2.3-3.8 cm long, brown hirsute; calyx lobes lanceolate, 0.8-1.3 cm long, long acuminate, irregularly subulate toothed, the lobes to 1 mm long, green brown hirsute; corollas scarlet outside, the inside yellow, ventricose, 3.3-5.4 cm long, ca. 5 mm in diam. above the base, becoming ca. 1.9 cm in diam., contracted at the throat to ca. 1.0 cm in diam., the lobes unequal, the posterior pair partly connate, remainder spreading and 0.7-1.0 cm long, the corolla ex-ternally sparsely reddish pilose, internally glabrous; filaments yellow, pilose, the anthers included; ovary sericeous, the style yellow, glabrous, the stigma stomatomorphic. Fruits ovoid, ca. 1.0 cm in diam.; seeds fusiform, 1 mm or more long, twisted, yellow to brown. Chromosomes 2n = 18 (Sherk, 1960).
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