Compositae

plural noun Com·pos·i·tae \kəmˈpäzəˌtē, käm-, -tī\

Definition of Compositae

  1. 1 :  a very large family of herbs, shrubs, and trees (order Campanulales) considered to constitute the most highly evolved plants and characterized by florets arranged in dense heads that resemble single flowers, each floret having a gamopetalous, ligulate, or tubular corolla and a calyx modified into a pappus (as in the dandelion, sunflower, aster, and ragweed)

  2. 2 in some classifications a :  a superfamilial group that is coextensive with the family Compositae and is divided into the families Carduaceae, Cichoriaceae, and Ambrosiaceae b :  carduaceae

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

Origin and Etymology of compositae

New Latin, from Latin, feminine plural of compositus composite


Seen and Heard

What made you want to look up Compositae? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

sad or melancholy

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!