A kind of flower cluster in which the flower stalks radiate from a common point, as in the carrot and milkweed. It is simple or compound; in the latter case, each peduncle bears another little umbel, called umbellet, or umbellule.
inflorescence with sessile or pedicellate flowers arising from the top of a peduncle; a simple inflorescence is a single umbel; a compound inflorescence has several to many umbels as subunits of the whole
An arrangement of flowers springing from a common center and forming a flat or rounded cluster. Striking examples of North Country plants bearing their flowers in umbels would include Joe Pye Weed ( Eupatorium maculatum) and Cow Parsnip ( Heracleum lantana). From the Latin, umbella, diminutive of umbra, "shade."