Plants hermaphrodite, or dioecious, or androdioecious, or gynodioecious. Female flowers without staminodes. Anemophilous, or entomophilous. Inflorescence, floral, fruit and seed morphology . Flowers solitary, or aggregated in 'inflorescences'.
Calyx lobes markedly shorter than the tube to markedly longer than the tube.
Androecium exclusively of fertile stamens. Gynoecium 1 carpelled. Carpels reduced in number relative to the perianth. The pistil 1 celled. Placentation basal .