Herbs; stems subquadrangular, glabrous or sparingly hirtellous at and near the nodes, the hairs ascending, 0.28 mm. long; leaf blades obovate, up to 16 cm. long and 5.8 cm. wide above middle, short and rather abruptly acuminate (the tip itself blunt), narrowed at base, rather thin, entire or undulate, both surfaces glabrous except costa and lateral veins (8 to 10 pairs), these sparingly hirtellous, the hairs up to 0.16 mm. long, subappressed, the venation of both sur- faces scarcely prominent but more so beneath than above; petioles up to 6 mm. long and 1.25 mm. thick, sparingly hirtellous, the hairs similar to those on the stems; panicles rather dense, up to 8 cm. long and 3 cm. broad, narrowly ovoid and acute at tip, the branches (1 to 2 pairs at each node) mostly 3 to 4 cm. long, the rachises rather densely pubescent with ascending hairs up to 0.25 mm. long, these conspicuously septate under a lens, the peduncle 4.5 cm. long, 1.75 mm. thick, hirtellous, the hairs similar to those of the rachises but not so numerous, the first internode of the panicle 2.5 cm, long, the others successively shorter; bracts subtending the branches of the panicle lanceolate, 6 mm. long, 1.5 mm. wide near base, narrowed to an acute bluntish recurved tip, the inner surface glab- rous, the outer hirtellous, the hairs similar to those of the rachises; bracts subtending the flowers lanceolate, 3 mm. long, 0.75 mm. wide at base, carinate, hirtellous; pedicels up to 5 mm. long, rather sparingly hirtellous; calyx 5 mm. long, the segments narrowly lanceo- late, 4 mm. long, 0.75 mm. wide near base, narrowed to an acute tip, glabrous or bearing a few hairs on tips and margins; corolla 1 cm. long, moderately puberulous except the glabrous base (the hairs about 0.08 mm. long), the tube 1.5 mm. broad at base, narrowed above ovary to 0.75 mm., thence gradually enlarged to 1.5 mm. at mouth, the lobes ovate, about 2 mm. long and 1.25 mm. wide, rounded at tip; stamens included, 2.5 mm. long, the anthers 1.5 mm. long, the staminodes 1 mm. long, curved; ovary glabrous; capsules not seen. Type in the Kew Herbarium, collected in the "Prov. del Chocó," Colombia, 150 meters altitude, March 1853, by J. Triana (No. 101-5). The color of the corolla is not apparent in the dried material.