Vessel end-walls scalariform and simple. Reproductive type, pollination . Fertile flowers hermaphrodite . Unisexual flowers absent . Inflorescence, floral, fruit and seed morphology .
Calyx lobes about the same length as the tube.
Androecium 8, or 10. Androecium exclusively of fertile stamens. Gynoecium 2 carpelled. The pistil 2 celled . Ovary 2 locular.