umbel

umbel

umbel A type of racemose inflorescence in which stalked flowers arise from the same point on the flower axis, resembling the spokes of an umbrella. An involucre (cluster) of bracts may occur at the point where the stalks emerge. This arrangement is characteristic of the family Umbelliferae (Apiaceae; e.g. carrot, hogweed, parsley, parsnip), in which the inflorescence is usually a compound umbel.

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"umbel." A Dictionary of Biology. 2004. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>.

"umbel." A Dictionary of Biology. 2004. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O6-umbel.html

"umbel." A Dictionary of Biology. 2004. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-umbel.html

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umbel

um·bel / ˈəmbəl/ • n. Bot. 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. DERIVATIVES: um·bel·late / ˈəmbəlit; -ˌlāt; ˌəmˈbelit/ adj.

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"umbel." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>.

"umbel." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O999-umbel.html

"umbel." The Oxford Pocket Dictionary of Current English. 2009. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-umbel.html

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umbel

umbel (bot.) inflorescence in which the flowers are borne upon nearly equal pedicels springing from a common centre. XVI. — F. †umbelle (mod. ombelle) or L. umbella sunshade, dim. of umbra shadow; see UMBRA.
So umbellifer XVIII, umbelliferous XVII.

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T. F. HOAD. "umbel." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>.

T. F. HOAD. "umbel." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O27-umbel.html

T. F. HOAD. "umbel." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O27-umbel.html

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umbel

umbel An inflorescence in which all the pedicels arise at the apex of an axis. It is commonly compound, usually umbrella-shaped, and is characteristic of Umbelliferae .

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MICHAEL ALLABY. "umbel." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "umbel." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O7-umbel.html

MICHAEL ALLABY. "umbel." A Dictionary of Plant Sciences. 1998. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-umbel.html

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umbel

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"umbel." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>.

"umbel." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O233-umbel.html

"umbel." Oxford Dictionary of Rhymes. 2007. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-umbel.html

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