Reproductive type, pollination . Plants hermaphrodite, or monoecious, or polygamomonoecious. Anemophilous, or entomophilous. Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit cymose.
Inflorescences cymes or fascicles.
Free hypanthium absent. Hypogynous disk absent. Androecium exclusively of fertile stamens. Endothecium developing fibrous thickenings. The initial microspore tetrads tetrahedral, or isobilateral, or decussate.