Definition of umbel in English:

umbel

Syllabification: um·bel
Pronunciation: /ˈəmbəl
 
/

noun

Botany
  • A flower cluster in which stalks of nearly equal length spring from a common center and form a flat or curved surface, characteristic of the parsley family.
    More example sentences
    • During field harvest, each plant was separated into leaves (blade + petiole), roots, stems, and umbels (pedicels + rays + flowers/fruits).
    • It is traditionally classified alongside Bupleurum, differentiated by its white flowers, sessile umbels, and conspicuous calyx teeth, and the lack of bracteoles and of a carpophore (mericarps do not separate).
    • Plants produce one or more stems bearing umbels of 10-25 greenishwhite flowers (Shannon and Wyatt 1986a).

Derivatives

umbellate

Pronunciation: /ˈəmbəlit, -ˌlāt, ˌəmˈbelit/
adjective
More example sentences
  • Agapanthus is a very variable genus, yet they are all broadly similar in appearance, with rhizomatous roots, strap-like leaves and an umbellate inflorescence on a stalk held above the leaves.
  • These are blooming on small plants with 3’ long umbellate flowers heavily spotted with red-maroon, with a red-purple lip.
  • When conditions are favorable the plant produces a single, thick stem that contains hundreds of yellow umbellate flowers producing numerous seeds per umbellate.

Origin

late 16th century: from obsolete French umbelle or Latin umbella 'sunshade', diminutive of umbra (see umbra).

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody