Erect, branched herb, 1-2 m, rather fetid-aromatic. Stem and branches rusty pubescent when young. Leaves membranaceous, ovate, oblong-ovate or narrowly rhomboid, 4—12(—15) by 1.5-5(-7) cm, acute or broadly acute, base rounded, subtruncate or acute, always entire and decurrent; margin elsewhere serrate or remotely dentate; puberulent on both surfaces but with more punctate glands beneath; petiole 2-6(-7) cm, slender. Flowers 5-9 (rarely more) in stalked cymes arranged in terminal or subterminal thyrses, 15-25 cm long, 4-5 cm Ø, in fruit to 30 cm long; rachis glandular-puberulent. Bracts lanceolate, 2-3 mm, caducous. Calyx campanulate, glandular-puberulent without, 4-7 mm long, in fruit 8-12 mm, upper tooth broadly ovate, acute, lateral teeth short and ovate with rounded apex, the lower teeth linear-lanceolate, connate, longer than the rest. Corolla lavender or white, 1.5-2 cm long, slightly puberulent, the tube rather gradually widening, narrowly funnel-shaped; upper lip short and 3-lobed, lower lip concave. Nutlets ovoid, 1.2-1.6 mm long, glabrous.
Primary forest, mossy forest, 1200-2460 m. Fl. Febr.-April, Sept.-Oct.
Home