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umbel

[uhm-buh l] /ˈʌm bəl/
noun, Botany
1.
an inflorescence in which a number of flower stalks or pedicels, nearly equal in length, spread from a common center.
Origin
1590-1600
1590-1600; < Latin umbella a sunshade, parasol, derivative of umbra shadow, shade; for formation see castellum
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for umbel
  • Its bloom is an inconspicuous, yellow-green umbel near the top of the stem.
  • Flowers are borne in an umbel and are surrounded by yellowish-green showy bracts.
  • The successive segments of the stem become progressively shorter bearing a terminal umbel of racemes.
  • The small, yellowish-green flowers are borne in an umbel on a short stalk above the leaves and develop into bright red berries.
  • The small, yellowish-green flowers are borne in an umbel on a short stalk above the leaves, and develop into bright red berries.
British Dictionary definitions for umbel

umbel

/ˈʌmbəl/
noun
1.
an inflorescence, characteristic of umbelliferous plants, in which the flowers arise from the same point in the main stem and have stalks of the same length, to give a cluster with the youngest flowers at the centre
Derived Forms
umbellate (ˈʌmbɪlɪt; -ˌleɪt), umbellar (ʌmˈbɛlə), umbellated, adjective
umbellately, adverb
Word Origin
C16: from Latin umbella a sunshade, from umbra shade
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for umbel

1590s, from Latin umbella "parasol," diminutive of umbra (see umbrage).

Online Etymology Dictionary, © 2010 Douglas Harper
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umbel in Science
umbel
  (ŭm'bəl)   
A flat or rounded indeterminate inflorescence in which the individual flower stalks (called pedicels) arise from about the same point on the stem at the tip of the peduncle. The geranium, milkweed, and onion have umbels. Umbels usually show centripetal inflorescence, with the lower or outer flowers blooming first.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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