Lianas, glabrous, the stems terete or sometimes angular, the mature stems lenticular. Leaves oblong-elliptic, shortly acuminate to acute, sometimes mucro-nate, obtuse or slightly rounded basally, to 12 cm long and 5 cm wide, glabrous, coriaceous; petioles to ca. 1.2 cm long, stipules obsolete (?). Inflorescences racemose, the primary peduncle dichotomous or trichotomous, axillary and alter-nate, many-flowered. Flowers with the pedicels to 9 mm long; bracteoles 1, deltoid and somewhat keeled, ca. 2 mm long, regularly placed at the base of the pedi-cels, persistent, conspicuously so after the corolla and calyx are lost; calyx-lobes sub-equal, ovate and rounded, ca. 1.8-2.2 mm long, each bearing 2 groups of squamellae, alternately placed; corolla subinfundibuliform, pale yellow to white, the tube proper ca. 9-11 mm long, inflated near the base, the throat ca. 7 mm long, the lobes dolabriform, ca. 12-14 mm long; stamens ? included, the fila-ments short and pubescent, the anthers ca. 4 mm long; nectaries 5, slightly con-crescent basally and somewhat lobed apically, at least as high as the ovary, the stigma umbraculiform below and ribbed and biapiculate above. Follicles unknown.
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