from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A succulent annual or biennial plant (Senecio glabellus), native to the eastern United States and having pinnately divided leaves and bright yellow, radiate flower heads.
  • n. The horseweed.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of various herbaceous flowering plants in the genus Conyza.

from the GNU version of the Collaborative International Dictionary of English

  • n. An annual composite plant of the Mississippi valley (Senecio lobatus).

from The Century Dictionary and Cyclopedia

  • n. A common name of the horseweed, Erigeron Canadense, and of the Senecio lobatus.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. American ragwort with yellow flowers
  • n. any of several yellow-flowered plants of the genus Packera; often placed in genus Senecio


from Wiktionary, Creative Commons Attribution/Share-Alike License

butter +‎ weed


  • Common herbs include butterweed (Senecio glabellus), jewelweed (Impatiens capensis), and royal fern (Osmunda regalis).

    Mississippi lowland forests

  • Up close they were head-high in a riot of color: red paintbrush, lavender fleabane, hot-pink fireweed, white cow parsnip, lacy green false hellebore, the flashy red of chokecherries, white pearls of baneberry, rich purple huckleberries, fierce yellows of butterweed and arnica.

    Blood Lure


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