bitterweed

bitterweed
noun
1. widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States
• Hypernyms: ↑weed
• Member Holonyms: ↑Picris, ↑genus Picris
2. any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
• Syn: ↑ragweed, ↑ambrosia
• Hypernyms: ↑weed
• Hyponyms:
• Member Holonyms: ↑genus Ambrosia

* * *

\\ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\ noun
1. : any of several American plants containing a bitter principle: as
a. : ragweed 2
c. : sneezeweed 1a
d. : any of several trees of the genus Xylopia; especially : a West Indian tree (X. glabra) : bitter rubberweed
2. : the wood of a bitterweed tree

* * *

/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]

Useful english dictionary. 2012.

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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 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 …   New Collegiate 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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