Umbel: (Science: plant biology) A racemose inflorescence in which all the individual flower stalks arise in a cluster at the top of the peduncle and are of about equal length.

• Definition from 2007 © Biology-Online.org.

Umbel (n.): A flat-topped or rounded flower cluster in which the individual flower stalks arise from about the same point, as in the geranium, milkweed, onion, and chive.

[New Latin umbella, from Latin, parasol, diminutive of umbra, shadow.

• Definition from The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2003. Published by Houghton Mifflin Company. All rights reserved.

Examples of Umbel: Geranium, Milkweed, Onion, Chive, Carrot, Parsley, Dill.