Lianas, the younger stems sparsely pubescent. Leaves opposite, ovate to ovate-elliptic, acuminate, cordate basally, to 11 cm long and 6 cm wide, sparsely pubes-cent on the veins of both surfaces, firmly membranaceous, glandular at the base of the midrib; petioles to 3 cm long, sparsely pubescent, weakly perfoliate, sparsely glandular in the axils. Inflorescences racemose, axillary and alternate, several (5-9) flowered, the peduncle ca. 2-3 cm long. Flowers with the pedicels 1-4 cm long; bracteole 1, deltoid, ca. 1-1.5 mm long; calyx-lobes ? equal, ovate, the margins sparsely fimbriolate, ca. 4-6 mm long, bearing groups of alternately placed squamellae; corolla subinfundibuliform, green with red lobes, the tube proper straight, 25-30 mm long, the throat narrowly conic, ca. 9-12 mm long, pubescent within, the lobes obliquely obovate, 25-30 mm long; stamens half-ex-serted, the filaments short and pubescent, the anthers and connective ca. 6-7 mm long, the connective truncate; nectaries 5, about half as high as the ovary. Follicles unknown.
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