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thyrse

American  
[thurs] / θɜrs /

noun

Botany.
  1. a compact branching inflorescence, as of the lilac, in which the main axis is indeterminate and the lateral axes are determinate.


thyrse British  
/ ˈθɜːsəs, θɜːs /

noun

  1. botany a type of inflorescence, occurring in the lilac and grape, in which the main branch is racemose and the lateral branches cymose

"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

thyrse Scientific  
/ thûrs /
  1. A dense inflorescence in which the side branches end in cymes, as in the lilac.

  2. Also called thyrsus

  3. See more at inflorescence


Other Word Forms

Etymology

Origin of thyrse

1595–1605; < French < Latin thyrsus thyrsus

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Heads in a compound terminal corymb, not at all racemose 37–40 Heads small, mostly clustered in the axils of feather-veined leaves 3–7 Heads mostly large, in a terminal thyrse; leaves feather-veined.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

Flowers.—White; sometimes blue; in a thyrse three to seven inches long, one to four thick.

From The Wild Flowers of California: Their Names, Haunts, and Habits by Parsons, Mary Elizabeth

Achenes 10-ribbed; pappus of rather rigid bristles, not plumose.—Perennial herbs, fibrous-rooted, with broad entire leaves, obscurely or not at all punctate, and cymules of small heads in a thyrse or panicle.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

Flowers.—White; in a thyrse a foot long; many of them imperfect.

From The Wild Flowers of California: Their Names, Haunts, and Habits by Parsons, Mary Elizabeth

Soft-puberulent, 1° high; leaves ovate or oblong, or the lower broadly lanceolate and the upper cordate-clasping, mostly sharply toothed; thyrse short; corolla 2´ long, broadly ventricose, dull purple or whitish.—Prairies,

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

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