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composite family

the large and varied plant family Compositae (or Asteraceae), typified by herbaceous plants having alternate, opposite, or whorled leaves and a whorl of bracts surrounding the flower heads, which are usually composed of a disk containing tiny petalless flowers and a ray of petals extending from the flowers at the rim of the disk, some flower heads being composed only of a disk or a ray and some plants having clusters of flower heads, and including the aster, daisy, dandelion, goldenrod, marigold, ragweed, sunflower, thistle, and zinnia. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for composite family
Historical Examples
  • The great majority of the composite family bloom later, and thus prolong the gorgeous array.

    The Mountain that was 'God' John H. Williams
  • The composite family, in fact, is in majority at this season of the year.

    Woodcraft Alan Douglas
  • You dont object do you, to playing the part of a composite family?

    Daddy Long-Legs Jean Webster
  • The Thistle group is the most primitive of the composite family, and it bears evidence of a vast evolutionary history.

composite family in Science
composite family  
A very large family of flowering plants, Asteraceae (or Compositae), comprising about 1,100 genera and more than 20,000 species, including the daisy, lettuce, and marigold. The composite plants are eudicots and are considered to be the most highly evolved plants. Their inflorescences are characterized by many small flowers arranged in a head that resembles a single flower and arises from an involucre of bracts. A head may consist of both ray flowers and disk flowers, as in the sunflower, of disk flowers only, as in the burdock, or of ray flowers only, as in the dandelion.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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