Frutex scandens. Folia petiolis 4-8 mm longis; lamina coriacea, obovatooblonga vel oblonga vel interdum lanceolata, valde asymmetrica, 7-14 cm longa, 2.5- cm lata, apice subacuta vel leviter acuminata vel obtusa, basi cuneata vel acuta, costa supra plana vel prominula, subtus prominente, nervis lateralibus supra et subtus plerumque prominentibus; glandulae hypophyllae minutae, saepe vix manifestae, secus marginem seriatim dispositae vel dispersae. Flores in racemis multifloris (ad 50 vel ultra); rhachis 10-15 cm longa, ochracea, furfuraceo-puberula; pedicelli 1-2 cm longi, ca 1 mm in diametro, subtiliter ochraceo-puberuli; nectaria calcariformia, auriculata, parva, ad ca 1 cm longa, calcari clavato, 5-7 mm longo, 1-2 mm in diametro, auriculis calcari paulo brevioribus, 3-4 mm longis; bracteolae perlate triangulares, 1-1.5 mm longae, 1.5- mm latae; sepala transverse subelliptica vel suborbicularia, ca 1.5 mm longa, 2-2.5 mm lata; petala oblonga, 4-6 mm longa, 2-3 mm lata, ad basim circa per 1 mm connata, per anthesim reflexa; stamina 5, filamentis applanatis, 3-3.5 mm longis, ad basim ca 1 mm latis, apicem versus angustatis, basibus petalorum insertis, antheris ca 1.5 mm longis; ovarium quinquangulare, 5-loculare, stigmate sessili, crasso, radiato-lobato. typus: Colombia: Choco: Banks of Quebrada Togoroma, dense tidal forest, June 13, 1944, Killip & Cuatrecasas 39146 (holotype US; isotypes F, MO). Paratypes: Colombia: Valle: Rio Calima (region del Choco); margen derecha, lomas frente a Quebrada de la Brea, Cuatrecasas 21090 (F); Narino: Western Cordillera, above Diviso (Njambi), Vogel 64 (U).