Wood parenchyma apotracheal. Reproductive type, pollination . Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit cymose. Calyx lobes about the same length as the tube.
Corolla lobes about the same length as the tube, or markedly longer than the tube.
Androecium exclusively of fertile stamens. Gynoecium 2 carpelled. Carpels reduced in number relative to the perianth. The pistil imperfectly 4 celled. Ovary 2 locular.