Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of several herbs of the genus Cardamine in the mustard family, having racemes of white, pink, or purplish flowers, usually divided leaves, and pods that dehisce explosively.

from the GNU version of the Collaborative International Dictionary of English.

  • noun any of various herbs of the genus Cardamine, having usually pinnate leaves and racemes of white, pink or purple flowers; cosmopolitan except in the Antarctic.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Barbarea vulgaris, a biennial herb native to Europe.
  • noun Any plant of the Cardamine genus, especially Cardamine bulbosa and Cardamine hirsuta.

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

  • noun any of various herbs of the genus Cardamine, having usually pinnate leaves and racemes of white, pink or purple flowers; cosmopolitan except Antarctic

Etymologies

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Examples

  • I think your unknown weed may be hairy bittercress Cardamine hirsuta.

    Winter Weeding « Fairegarden 2007

  • Among English weeds, the little bittercress that grows on dry walls and hedge-banks forms an excellent example of the same device.

    Science in Arcady Grant Allen 1873

  • I'm not guaranteeing your mouth will start watering at the sight of nettles or bittercress which author Doug Benoliel calls a "tasty jewel", but you may well learn, with the help of Benoliel's drawings and clear descriptions, how to identify which plants are poisonous and which are safe to eat.

    The Seattle Times 2011

  • Her latest foe: narrowleaf bittercress, a relatively new invasive species.

    StarTribune.com rss feed 2011

  • On a mild, dry day, hoe borders and the vegetable patch to destroy any emerging annual weed seedlings, notably chickweed and hairy bittercress.

    Top stories from Times Online 2010

  • On a mild, dry day, hoe borders and the vegetable patch to destroy any emerging annual weed seedlings, notably chickweed and hairy bittercress.

    Top stories from Times Online 2010

  • On a mild, dry day, hoe borders and the vegetable patch to destroy any emerging annual weed seedlings, notably chickweed and hairy bittercress.

    Top stories from Times Online 2010

  • Myrtle, speedwell, daffodils, bittercress -- who cares if it's 26 degrees?

    Via Negativa 2009

  • • Purple deadnettle (strong host) • Henbit (strong host) • Field pennycress (moderate host) • Shepherd's-purse (weak host) • Small-flowered bittercress (weak host) • Common chickweed (weak host) Cool season perennial:

    Home 2009

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