Internal phloem absent. Included' phloem absent. Reproductive type, pollination . Unisexual flowers present . 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.