Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit cymose. Free hypanthium absent. Androecium 5 . Androecium exclusively of fertile stamens.
Anthers apically introrse.
Gynoecium 5 carpelled. Carpels isomerous with the perianth. The pistil 5 celled . Ovary 5 locular. Geography, cytology .