Internal phloem absent. Secondary thickening developing from a conventional cambial ring. Reproductive type, pollination . The female flowers with or without 6 small staminodes. Gynoecium of male flowers pistillodial to absent .
Floral nectaries present, or absent.
Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit racemose. Free hypanthium absent. Androecium of male flowers exclusively of fertile stamens. Endothecium developing fibrous thickenings.