[1] It is an accepted species, first described by Jean Baptiste Louis Pierre and originally published in Bull.

[2] It is a large woody climber which grows up to 15 metres tall.

Its branchlets are glabrous, rarely puberulent.

Its leaves are described as: "Inflorescence terminal and axillary in uppermost leaf axils (sometimes these uppermost leaves greatly reduced in size), forming a terminal panicle mostly longer than subtending leaves, occasionally shorter, 3.2-13.7 cm long, lax, puberulent to completely glabrous except occasionally for a few hairs on bracts; Stamens inserted at 2-3.1 mm from corolla base which is 0.3-0.4 of tube length."

It has fusiform fruit with slight constrictions, measuring 5.5-10.5 by 1.5-2.7 cm.