Hybrid Alums Mum Forms

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A Look at Different Forms of the Chrysanthemum

Flower morphology graphic showing ray and disk flowers
Like other members of the Asteraceae, the chrysanthemum produces a "flower" which is actually many florets grouped together into a single head. Each head is composed of a central group of short disk florets surrounded by rings of longer ray florets. All classes of chrysanthemums have both types of florets, but in some cases the disc florets are not visible.

Mums are classified according to the type and arrangement of the florets as pictured below:​
flower forms panel