Descr. Stem four to five feet high, branched, the 
branches four-sided. Leaves opposite, ample, on long 
petioles, ovate, attenuated at the base, sharply acuminated 
at the extremity, glabrous, entire, reticulated, gradually 
smaller upwards, where they pass into bracteas, which are 
very numerous, the outer ones ovato-lanceolate : inner ones 
small and linear. Corolla very long and of a beautiful 
rose-colour, two-lipped ; upper lip erect, entire, lower one 
revolute, three-toothed. Anther deep purple. 
