ASTERACEAE

 

The family can be easily recognized because of its unique inflorescence - an involucrate head, 5 lobed gamopetalous corollas, fewer carpels - bicarpellate unilocular and inferior ovary. Flowers bisexual or monocious. Calyx is represented by a pappus or seemingly absent All or only central flowers tubular. Stamens 5, syngenesious. Anthers blunt at base. presence of a pappus, the inferior bicarpellate uniloculate ovary with a single basal ovule, and 5 syngenesious stamens. The fruit an achene. Endosperm absent.

 The largest family of angiosperms, previously known as Compositae..