Vines, high climbing lianas; stems pilose. Leaves with leaflets broadly elliptic to obovate, to 18 x 11 cm, the apex acuminate, ca. 15 mm long, sparsely ap-pressed strigose above and beneath, chartaceous, slightly cordate truncate to rounded at the base, the lateral veins oblique, primary lateral veins 10-12 pairs; petioles canaliculate, strigose-pilose, the rachis to ca. 5 cm long, stipels ca. 7 mm long; stipules lanceolate, to 14 mm long, produced for ca. 6 mm below insertion, pubescent without. Inflorescences stout, 15-40 cm long, flowering 2/3 the length, the tubercles subsessile to clavate; bracts linear, usually emerging from the tu-bercles, occasionally persistent, erect, ca. 6 mm long, fuscous ferruginous pu-bescent; bracteoles broadly ovate or flabellate, 2 x 2-3 mm, fuscous ferruginous without, persistent; pedicels ca. 9 mm long. Flowers ca. 2 cm long; calyx tube yellowish, 7-10 mm long, carnose with sparse fuscous ferruginous pubescence without, velutinous within, the upper lobes partially fused, emarginate ca. 5 mm long, 8 mm wide, the lateral lobes slightly falcate, lanceolate, ca. 6 mm long, the lower lobe broadly lanceolate, ca. 9 mm long; standard broadly obovate rotund, carnose, glabrous, bicallose, to ca. 16 x 17 mm, the auricles semi-orbicular, re-flexed, the claw ca. 3 mm long, the wings obliquely oblong ovate, ca. 16 mm long, ca. 8 mm wide, the claw ca. 5 mm long, the keels triangulate, ca. 8 mm long, ca. II mm wide distally, the auricle inconspicuous, the claw ca. 4 mm long, the upper margin usually with 1 prominent lobe, the beak narrow or hooded; staminal sheath sub-sigmatoidal, the anthers dimorphic, perfect anthers ca. 1 mm long, the middle anther frequently 1.5 mm long; ovary short stipitate, densely argenteous fuscous villous, (2-)5(-6)-ovulate, the upper style glabrous, ca. 5 mm long. Fruits green, fleshy, cylindrical oblong, ca. 15 x 5 x 4 cm, ?indehiscent, fuscous or ferruginous velutinous, the upper and lower suture inconspicuous; seeds 2-4, cuboidal, 3.5 x 3.5 x 2.5 cm, soft, light brown, maculate, the hilum encircling nearly 1/2 the testa.
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