Reproductive type, pollination . Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit cymose. The floral asymmetry involving the perianth and involving the androecium. Free hypanthium absent.
Calyx lobes markedly shorter than the tube to markedly longer than the tube.
Androecium exclusively of fertile stamens, or including staminodes. Endothecium developing fibrous thickenings. The initial microspore tetrads tetrahedral. Gynoecium 2 carpelled . Carpels reduced in number relative to the perianth.