The inflorescence of Delphinium nuttallianum. Delphinium nuttallianum is a species of larkspur known by the common names twolobe larkspur and Nuttall's larkspur. Each flower is held on a pedicel a few centimeters long.

A pedicel is a stem that attaches single flowers to the main stem of the inflorescence. A flower, also known as a bloom or Blossom, is the reproductive structure found in Flowering plants (plants of the division Magnoliophyta, also An inflorescence is a group or cluster of Flowers arranged on a stem that is composed of a main Branch or a complicated arrangement of branches It is the branches or stalks that hold each flower in an inflorescence that contains more than one flower.

The stem or branch that holds a group of pedicels is called a peduncle. In Botany, a peduncle is a stalk supporting an Inflorescence, or after Fecundation a fruit