Lianas; stems 3-6-sulcate, sparsely to densely villous-puberulous; wood com-posite, a large central bundle surrounded by 3 small peripheral bundles. Leaves pinnately 5-foliolate, to 33 cm long; petioles 10-14 cm long, narrowly and evenly winged with a broad medial rib; rachis narrowly winged; petiole and rachis pu-berulent and coarsely strigose along the medial rib, sparsely strigose on the mar-gins; leaflets elliptic to ovate-elliptic or obovate-elliptic, abruptly acuminate at the apex, narrowly acute at the base of the terminal leaflet, inequilaterally acute to obtuse and equilateral on the lateral leaflets, 9-19 cm long, 4-7 cm wide, crenate in the outer 3/4 of the blade with blunt glandular teeth, the upper surface glabrous except for the coarsely strigose, prominently raised midrib, the lower surface glabrous except for the coarsely barbulate vein axils and sparse stiff straight tri-chomes on the midrib and major lateral veins, the reticulate venation prominent on both surfaces, the margin hyaline, sparsely strigose; stipules apparently de-ciduous. Inflorescences of solitary, axillary thyrses more than 4 cm long; rachis angular, viscidulous, villous-tomentose; bracteoles linear-lanceolate, 4-7 mm long, appressed-pubescent; pedicels to ca. 3 mm long, densely appressed-pubescent. Flowers not known; old calyx persisting in fruit, to 4.5 mm long, the sepals thick, densely appressed-pubescent. Fruits obovoid, ca. 2 cm long, rounded and apicu-late at the apex, gradually tapered to the base, short-stipitate, red, without wings, longitudinally striate, sparsely long appressed-pubescent to glabrous outside, glabrous inside.
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