Terrestrial or sometimes epiphytic herb, very small to ca. 10 cm tall (without inflorescence). Stem absent or very short. Leaves with the petiole 0.5-10 cm long, pilose or villous; blade thinly membranaceous when dry, cordate-orbicular, (1-)5-8(-14) x (0.7-)4.5-7.5(-14) cm, margin sinuate-dentate, apex acute or obtuse, base cordate to slightly oblique, above and below sparsely strigillose, especially on midrib and veins. Flowers 1-7 in pedunculate cymes; peduncle 4-16 cm long, pilose or villous; pedicel 0.5-2 cm long, pilose or villous. Calyx green, lobes free, spreading, equal, narrow-triangular, 0.5-1.1 x 0.05-0.3 cm, margin entire or obscurely sinuate-dentate, apex acuminate, outside villous with ordinary and capitate hairs, inside minutely puberulous or glabrous; corolla erect in calyx, pale blue or tube white and limb lavender, 1.6-2.5 cm long, tube campanulate, 1.2-2 cm long, base not spurred, 0.2-0.4 cm wide, middle not curved or contracted, throat not contracted, 0.9-1.6 cm wide, outside pilose or villous, inside glabrous(?), limb 1.1-2.1 cm wide, lobes subequal, oblique, broadly rounded, 0.5-1.2 x 0.2-0.6 cm, margin entire, ciliolate; stamens included, inserted at base of corolla tube; ovary ovoid, 0.2-0.25 x 0.15-0.2 cm, puberulous, style 0.5-0.7 cm long, glabrous, stigma 2-lobed. Mature capsule light brown, broadly ovoid, 0.5-0.6 x 0.4-0.5 cm.
Guianas endemic, northern Brazil endemic
Endemic to the Guianas and northern Brazil; 18 collections studied (SU: 5; FG: 12).