Umbel n. : 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.

Example:
Is there a UK website about Umbel and what is the URL?

Taxonomy
Umbel, free encyclopedia, umbels, family Apiaceae, family Araliaceae, wild carrot, search, Daucus carota, common point, umbrella ribs, characteristic, plants, family Alliaceae, Personal tools, Interaction, Toolbox, Languages, non-profit organization.

Defination from the web:
umbel is an inflorescence which consists of a number of short flower stalks (called pedicels) which are equal in length and spread from a ... A compressed cyme is called umbelliform if it resembles an umbel. Involucrate umbels of Primula veris. This botany article is a stub. You ...