Plants 1-2 m. tall, essentially glabrous throughout, the stem somewhat spiral; leaves broadly obovate-oval, abruptly subcaudate-acuminate, base rather obscurely subcordate-auriculate, 12-25 cm. long, 4-8 cm. broad, very shortly petiolate; inflorescence closely set amongst the upper reduced leaves, very broadly ovoid, 2-5 cm. long; bracts unappendaged, broadly ovate, 1.5-2.0 cm. long, deep red, glabrous; calyx 0.5-0.6 cm. long, broadly 3-dentate, red; ovary 0.4 cm. long; corolla 2.0-2.5 cm. long, deep red, the stamen and labellum about equal.