Corolla hypocrateriform; tube cylindrical, slightly enlarged at level of anthers; lobes narrowly linear, contorted, overlapping to the left, long-ciliate on inner margins.
Stamens inserted in the corolla tube between 1/4 and 3/4 of its length; filaments very short; anthers without carina.
Calyx lobes imbricate, free to base, with conspicuous glandular auricles (in D. lucida).
Fruit a many-seeded glabrous berry lacking a sclerified layer in the pericarp.
Ovary glabrous, multiovulate; clavuncle positioned at base of anthers.
Tendrillous lianes with interpetiolar stipules.
Cymes grouped into terminal panicles.
Latex present, abundant.
Spines absent.