Vessel end-walls scalariform. Root anatomy . Root xylem with vessels. Vessel end-walls simple, or scalariform and simple. Reproductive type, pollination .
Fertile flowers hermaphrodite .
Unisexual flowers absent . Inflorescence, floral, fruit and seed morphology . Flowers solitary, or aggregated in 'inflorescences'. The terminal inflorescence unit cymose. Inflorescences terminal, or axillary.