Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit cymose. Inflorescences spikes, racemes or panicles, the pedicels often articulated. The floral asymmetry involving the perianth and involving the androecium. Free hypanthium absent.
Corolla lobes markedly longer than the tube.
Androecium exclusively of fertile stamens. Endothecium developing fibrous thickenings. Anther epidermis persistent. The initial microspore tetrads tetrahedral, or isobilateral. Endosperm formation nuclear.