bitterweed
noun Date: 1819 any of several American plants containing a bitter substance: as a. either of two ragweeds: (1) a low-growing common ragweed (Ambrosia artemissiifolia) (2) horseweed b. an annual yellow-flowered sneezeweed (Helenium amarum syn. H. tenuifolium) c. an erect annual composite herb (Hymenoxys odorata) of the southwestern United States that has yellow flowers and is poisonous to livestock

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Bitterweed — Bit ter*weed , n. (Bot.) A species of {Ambrosia} ({Ambrosia artemisi[ae]folia}); Roman worm wood. Gray. [1913 Webster] …   The Collaborative International Dictionary of English

  • bitterweed — ☆ bitterweed [bit′ərwēd΄ ] n. any of various herbs which have a bitter taste, as ragweed, sneezeweed, etc …   English World dictionary

  • bitterweed — kietinė ambrozija statusas T sritis vardynas apibrėžtis Astrinių šeimos vaistinis nuodingas augalas (Ambrosia artemisiifolia), paplitęs Šiaurės Amerikoje. atitikmenys: lot. Ambrosia artemisiifolia angl. annual ragweed; bitterweed; common ragweed; …   Lithuanian dictionary (lietuvių žodynas)

  • bitterweed — saulainė statusas T sritis vardynas apibrėžtis Šeima. Astriniai – Asteraceae Martynov atitikmenys: lot. Helenium angl. bitterweed; sneezeweed; sneezewort vok. Sonnenbraut rus. гелениум lenk. dzielżan; helenium …   Dekoratyvinių augalų vardynas

  • bitterweed — noun 1. widespread European weed with spiny tongue shaped leaves and yellow flowers; naturalized in United States • Syn: ↑oxtongue, ↑bristly oxtongue, ↑bugloss, ↑Picris echioides • Hypernyms: ↑weed • Member Holonyms: ↑ …   Useful english dictionary

  • Bitterweed — Water Ash may refer to: * Any plant in Ambrosia genus; specially Ambrosia artemisiifolia * Artemisia trifida * Helenium amarum …   Wikipedia

  • bitterweed — /bit euhr weed /, n. 1. any of various plants containing a bitter principle, as those of the genus Picris. 2. a sneezeweed, Helenium amarum. [1810 20, Amer.; BITTER + WEED1] * * * …   Universalium

  • bitterweed — n. plant containing a bitter tasting substance (native to North America); type of Ambrosia herb …   English contemporary dictionary

  • Ambrosia artemisiaefolia — Bitterweed Bit ter*weed , n. (Bot.) A species of {Ambrosia} ({Ambrosia artemisi[ae]folia}); Roman worm wood. Gray. [1913 Webster] …   The Collaborative International Dictionary of English

  • Hymenoxys odorata — Taxobox name = Hymenoxys odorata image width = 250px regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Asterales familia = Asteraceae genus = Hymenoxys species = H. odorata binomial = Hymenoxys odorata binomial authority =… …   Wikipedia

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