Shrub or suffrutescent herb to 1.5 m tall; stern quadrangular in younger portions, glabrous. Leaves ovate elliptic, to 15 cm long and 6.5 cm wide, apically acuminate, basally attenuate, glabrous, the costa and the veins, 12-16 pairs, prominent, the cystoliths dense though minute, visible on both the surfaces, the margins entire to undulate; petioles 1-3 cm long, glabrous. Inflorescences of 2-3 terminal or axillary spikes, each 2-3 cm long, the primary peduncle ca. 5 cm long, glabrous, the secondary peduncles ca. 1.25 cm long, puberulous; bracts at apex of primary peduncle linear, 6-12 mm long, ca. 1 mm wide, glabrous, apically obtuse, bracts subtending the flowers subulate, 5-6 mm long, 1.5 mm at base, puberulous; bracteoles similar to the bracts, though a little smaller. Flowers with a deeply lobed, 5-merous calyx, the lobes linear lanceolate, 10-11 mm long, 1.5 mm wide, apically acuminate, glandular puberulous; corolla bright pink, bilabiate, to 5.5 cm long, narrowly funnelform, 2 mm wide at base, 6 mm wide at the mouth, glandular puberulous outside, glabrous inside, the lips about equal, to 2 cm long, the upper lip 2-lobed, the lobes 1 mm long, obtuse, the lower lip 3-lobed, the lobes rounded, the middle lobe to 3.5 mm wide, the lateral lobes 3 mm wide; stamens exserted to about the notch of the upper lip, the anther cells approximate, superposed, the upper cell basally apiculate, the lower cell with a blunt basal spur ca. 1 mm long; ovary glabrous, the style 4 cm long, puberulous, the stigma 2-lobed, the lobes minute, conical. Fruit not seen.
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