The main stem supporting an inflorescence (as opposed to a pedicel, which is the stem of an individual flower). Related Images:

The footstalk supporting a single flower in an inflorescence. Related Images:

Plants that have imperfect flowers (male and female) occurring on the same plant (e.g., corn). Related Images:

A group of individual flowers. The grouping can take many forms, such as a spike (flowers closely packed along a vertical stem, e.g., snapdragons), an umbel or corymb (flowers forming a flattened dome, e.g., yarrow), a panicle (a complex hierarchical arrangement of flowers, e.g., hydrangeas), or a capitulum (tightly packed disc flowers, e.g., the center […]

Inflorescence refers to the flowering body of a plant. These occur in an amazing variety of forms, from solitary flowers to enormously complex clusters, and there is an equally amazing variety of technical terminology used to describe them.