Shrubs up to 2 meters high; stems subquadrangular (the angles rounded), hirtellous, the hairs 0.5 to 0.75 mm. long, spreading, brown- ish; leaf blades oblong-obovate, up to 47 cm. long and 15 cm. wide, short-acuminate (the tips blunt), gradually narrowed from approxi- mately 15 cm. below tip to the base and decurrent on the petiole, sub- membranaceous, shallowly dentate (the teeth broad, obtuse, about 2 mm. high), the upper surface glabrous or sparingly pilose, the hairs up to 1.5 mm. long, ascending, the costa and lateral veins (about 30 pairs) rather obscure, the lower surface moderately pilose, the hairs up to 1 mm. long, ascending, more numerous on the costa and lateral veins than elsewhere, the costa and veins prominent, the veinlets coarsely reticulate, a veinlet ending at the tip of each tooth; petioles up to 5 cm. long (?), stout, 3 mm. in diameter, glabrous or minutely and sparingly strigose; panicles terminal, once- or twice-branched, the peduncles 1 to 2 cm. long, these and the rachises (5 to 7 cm. long) densely brown- hirtellous, the hairs spreading, about 0.5 mm. long, the spikes compact, the lowermost flowers soon deciduous, leaving prominent raised scars; bracts subtending the branches of the inflorescence triangular-ovate, about 7 mm. long and 4 mm. wide near base, acute, carinate, sparingly puberulous; flower bracts ovate, the margins subhyaline; corollas purple, about 5 cm. long, mod- erately hirtellous except the basal glabrous portion, the hairs about 0.25 mm. long, spreading or slightly retrorse, many of them glandular, the tube curved, 4 mm. broad at base, 2 mm. broad at 5 mm. above base, 7 mm. broad at mouth, the lips subequal, about 9 mm. long, the upper lip obovate, arched, about 8 mm. wide, cucullate, truncate, the lower lip somewhat spreading, gibbous, 3-lobed, the lobes suborbicular, about 3 mm. broad, the medial area within minutely tomentose, the margins glabrous; stamens decurrent on the dorsal portion of the corolla tube becoming free at about 5 mm. below the base of the corolla lips, the anthers oblong, 5 mm. long, 1.25 mm. wide, webby-pilose at tip, otherwise glabrous, enclosed by the curved upper lip of the corolla, the filaments densely pilose dorsally, the hairs 0.5 mm. long; pollen grains slenderly oblong, smooth, about 82 μ long and 43 in diameter; ovary glabrous; capsules not seen. Type in the herbarium of the New York Botanical Garden, col- lected on streamside in high, thick forest at El Umbo, region of Mount Chapón, Department of Boyacá, Colombia, "2,500 feet" alti- tude, October 1, 1932, by A. E. Lawrance (No. 502). The specific epithet is from the Greek &roros, meaning strange or marvelous.