Lianas, the branchlets terete but with ca. 8 thin, detachable ribs, without interpetiolar glandular fields; pseudostipules absent or small and subulate. Leaves 3-foliolate; terminal leaflet sometimes replaced with a much-branched (to 22-fid) tendril, the apices of some tendril branches becoming large and disk-like. Inflorescence an axillary raceme. Calyx large, thin, narrowly campanulate, ± bilabiate; corolla variable in color from yellow to magenta or greenish white, tubular-campanulate, glabrous or minutely glandular-papillose outside. Anthers glabrous, the thecae straight, divaricate. Ovary linear, puberulous; style minutely puberulous; disk large, annular-pulvinate. Fruit an elongate-linear capsule, compressed, the valves parallel to the septum, puberulous, in part with gland-tipped trichomes. Seeds thin, 2-winged, the wings membranous.
Southern Venezuela, Brazil, Bolivia; 1 species.
Manaosella cordifolia (A. DC.) A.H. Gentry, Ann. Missouri Bot. Gard. 65: 733. 1978. -Bignonia cordifolia A. DC., Prodr. 9: 162. 1845.
Liana. Nonflooded evergreen lowland forests, ca. 100 m; Amazonas (near Puerto Ayacucho). Eastern and Amazonian Brazil, Amazonian Bolivia. Fig. 387.
In Venezuela, known from a single sterile collection (Steyermark et al. 122364, MO).