Medullary bundles absent. Internal phloem absent. Included' phloem absent. Vessel end-walls scalariform. Reproductive type, pollination .
Fertile flowers hermaphrodite .
Unisexual flowers absent . Floral nectaries present. Nectar secretion from small nectariferous glands around the filaments. Inflorescence, floral, fruit and seed morphology . Free hypanthium absent.