Vessel end-walls simple. Reproductive type, pollination . Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit cymose. Free hypanthium absent.
Calyx lobes markedly longer than the tube.
Endothecium developing fibrous thickenings. Anther epidermis persistent. The initial microspore tetrads tetrahedral, or isobilateral, or decussate. Anther wall of the 'monocot' type. Carpels reduced in number relative to the perianth, or isomerous with the perianth, or increased in number relative to the perianth.