Vessel end-walls simple. Wood parenchyma paratracheal. Reproductive type, pollination . Inflorescence, floral, fruit and seed morphology . Free hypanthium absent.
Corolla lobes about the same length as the tube, or markedly longer than the tube.
Androecium exclusively of fertile stamens. Carpels reduced in number relative to the perianth to isomerous with the perianth. The pistil 1 celled. Ovary 1 locular. Placentation free central.