Flowers aggregated in 'inflorescences'. The terminal inflorescence unit cymose, or racemose. Floral receptacle with neither androphore nor gynophore . Free hypanthium present, or absent. Hypogynous disk present .
Corolla lobes markedly longer than the tube.
Petals clawed, or sessile. Placentation when apocarpous marginal. Polar nuclei fusing prior to fertilization. Endosperm formation nuclear. Seeds copiously endospermic .