Secondary thickening developing from a conventional cambial ring. Vessel end-walls scalariform. Reproductive type, pollination . Inflorescence, floral, fruit and seed morphology . Free hypanthium absent.
Calyx lobes markedly longer than the tube.
Petals spoon-shaped at the base. Gynoecium 2 carpelled . Carpels reduced in number relative to the perianth. The pistil 2 celled. Ovary 2 locular.