Reproductive type, pollination . Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit cymose. Free hypanthium absent. Hypogynous disk present, or absent.
Corolla lobes markedly longer than the tube.
Petals sometimes shortly clawed, or sessile. Androecium 10 . Androecium exclusively of fertile stamens, or including staminodes. Endothecium developing fibrous thickenings. The initial microspore tetrads tetrahedral, or decussate.