Primary vascular tissue in a cylinder, without separate bundles, or comprising a ring of bundles, or in two or more rings of bundles to in scattered bundles. Vessel end-walls simple. Reproductive type, pollination . Inflorescence, floral, fruit and seed morphology . Free hypanthium absent.
Petals deeply bifid to bilobed, or entire.
Endothecium developing fibrous thickenings. The initial microspore tetrads tetrahedral. Anther wall initially with one middle layer. Gynoecium supposedly 5 carpelled . Carpels usually isomerous with the perianth.