Primary vascular tissue comprising a ring of bundles. Internal phloem absent. Included' phloem absent. Reproductive type, pollination . 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.