Urticating hairs present. Minor leaf veins without phloem transfer cells. Stem anatomy . 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.