Frutex ad arbor glaber, aliquando epiphyticus, inermis, ramulis 4-5 min. diametro, in sieco rugosis; foliis longe (7-18 cm.) petiolatis, petiolis gracilibus, omnibus 3-f oliolatis, foliolis longe petiolulatis, ovatis vel elliptico-ovatis, chartaceis, graciliter acute acuminatis, basi rotundatis, 8-15 cm. longis, 3.5-8 cm. latis, in sieco olivaceis vel brunneis, margine argute serratis, denti- bus, 2-4 mm. distantibus, lanceolatis, acuminatis, nervis primariis utrinque 7-9, curvatis, arcuato-anastomosantibus, subtus elevatis, perspicuis, reticulis sublaxis, elevatis, distinctis; petiolulis valde inaequalibus, lateralibus 1.5- 5 cm., medianis 3.5-8 cm. longis; paniculis terminalibus, amplis, apertis, 15- 20 cm. longis, 25-30 cm. latis, rhachibus 2-3 cm. longis, ramis primariis eirciter 10, subverticillatis, eirciter 15 cm. longis, umbellis 15-30-floris, in ramis primariis racemose dispositis, inferioribus oppositis vel alternis, termi- nalibus verticillatis, pedunculis 3-5 cm. longis, bracteis lineari-lanceolatis, longe acuminatis eirciter 6 mm. longis, eaducis, bracteolis brevissimis, eirciter 1 mm. longis, anguste lanceolatis, eaducis; pedicellis gracilibus, 1.5-2 em. longis sub calycem articulatis; floribus viridibus, 5-meris, calycis tubo circiter 3 mm. longo, subellipsoideo, dentibus 5, triangularibus, acutis, 0.5 mm. longis; petalis oblongo-ovatis vel late oblongis, 2-2.2 mm. longis, 1 mm. latis, obtusis, intus longitudinaliter carinatis; staminibus 5, filamentis sursum angustatis, 2 mm. longis; antheris ellipsoideis, 1.2 mm. longis; ovario 5-loculari; stylis cylindraceis, truneatis, 1.8-2 mm. longis, stigmatibus 5, minutis.
