Mucilaginous epidermis present, or absent. Lamina with secretory cavities, or without secretory cavities. Stem anatomy . Vessel end-walls simple. Reproductive type, pollination .
Fertile flowers hermaphrodite .
Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit cymose. Free hypanthium absent. Androecium exclusively of fertile stamens. Endothecium developing fibrous thickenings.