Included' phloem absent. Vessel end-walls simple. Reproductive type, pollination . Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit cymose.
Inflorescences usually cymes, often dichasial or tending to cincinni .
Free hypanthium present to absent. Hypogynous disk present. Corolla lobes markedly longer than the tube. Androecium exclusively of fertile stamens. Endothecium developing fibrous thickenings.