Terrestrial herb or subshrub, to 1 m tall. Stem sappy becoming subwoody, erect, villous. Leaves equal or subequal in a pair; petiole 0.3-3 cm long, villous; blade papyraceous when dry, oblong or ovate, 4.5-14 x 2.9-7 cm, margin crenate, apex acute, base cuneate or rounded, above villous to pilose, below villous to pilose. Flowers 1-2; peduncle very short or lacking, 0-0.2 cm long, pubescent; pedicel 0.8-3.2 cm long, villous. Calyx campanulate, green, lobes connate at base, tube 0.1-0.3 cm, free portion of lobes erect, subequal, triangular, 0.5-0.9 x 0.2-0.4 cm, margin entire, apex long acuminate, outside villous with glandular and eglandular hairs, inside pubescent; corolla erect in calyx, red, 4-5 cm long, tube cylindric, 3.1-3.6 cm long, base dorsally gibbous, above gibbosity 0.3-0.5 cm wide, middle slightly ventricose, throat slightly contracted, 0.5-0.8 cm wide, outside villous, inside glabrous, limb 1-2 cm wide, lobes unequal, upper lobes connate into a galea, erect, ca. 0.7 x 0.5-0.6 cm, margin entire, lateral lobes erect, rounded to truncate, 0.1-0.2 x 0.3-0.5 cm, margin entire, basal lobes erect, broadly rounded, 0.2-0.3 x 0.3-0.6 cm, margin entire; stamens slightly exserted, inserted at base of corolla tube; ovary ovoid, 0.4-0.5 x 0.3-0.4 cm, pubescent, style 4-5 cm long, puberulous, stigma stomatomorphic. Mature capsule brownish, ovoid, 1-1.2 x 0.5-0.7 cm.
Guyana present, Southern America: Brazil North (Amazonas present, Roraima present), northern Brazil present
Northern Brazil (Amazonas, Roraima) and Guyana; 15 specimens examined (GU: 13).