Reproductive type, pollination . Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit cymose. Free hypanthium present . Hypogynous disk absent.
Petals deeply bifid, or entire.
Androecium exclusively of fertile stamens. Carpels reduced in number relative to the perianth to isomerous with the perianth. Placentation apical . Geography, cytology . Economic uses, etc .