it is a discoid head. A subtype of discoid heads are radiant heads, which have larger, dilated, and often bilateral outer florets.

Disciform heads include disk florets, which may be male or bisexual, and surrounding florets that may be naked or tubular and female.

A radiate head has disc florets surrounded by an outer portion of ray florets known as a lamina.

A ligulate head has only ligulate florets.

Some other species produce two different head types: staminate (all-male), or pistillate (all-female). In a few