- ragweeds
- n. species of weed from the daisy family (produces pollen that often causes allergic reactions)
English contemporary dictionary. 2014.
ragweeds
Look at other dictionaries:
List of Lepidoptera that feed on ragweeds — Ragweeds ( Ambrosia spp.) are used as food plants by the caterpillars (larvae) of some Lepidoptera species including:Monophagous species that feed exclusively on Ambrosia spp.* Bucculatrix leaf miners::* B. agnella feeds on A. artemisiifolia :* B … Wikipedia
Ragweed — Taxobox name = Ragweeds image width = 200px image caption = A ragweed, Ambrosia sp. regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida subclassis = Asteridae unranked ordo = Euasterids II ordo = Asterales familia = Asteraceae… … Wikipedia
ragweed — /rag weed /, n. any of the composite plants of the genus Ambrosia, the airborne pollen of which is the most prevalent cause of autumnal hay fever, as the common North American species, A. trifida (great ragweed or giant ragweed) and A.… … Universalium
Asterales — ▪ plant order Introduction daisy order of flowering plants, containing 11 families and some 26,000 species. The major families are Asteraceae and Campanulaceae (including Lobeliaceae), with far fewer species in the remaining families of… … Universalium
Ambrosiaceae — noun in some classifications considered a separate family comprising a subgroup of the Compositae including the ragweeds • Syn: ↑family Ambrosiaceae • Hypernyms: ↑asterid dicot family • Member Holonyms: ↑Compositae, ↑family Compositae, ↑ … Useful english dictionary
Ambrosiaceae — n. 1. 1 in some classifications considered a separate family comprising a subgroup of the Compositae including the ragweeds. Syn: family {Ambrosiaceae}. [WordNet 1.5] … The Collaborative International Dictionary of English
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
Larval food plants of Lepidoptera — species (mostly on their leaves, but sometimes on fruits or other parts). The dependency on specific food plants (also known as host plants) is among the key factors restricting the distribution of Lepidoptera species, although food plants of… … Wikipedia
Ambrosia chenopodiifolia — Taxobox name = Ambrosia chenopodiifolia image width = 220px regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Asterales familia = Asteraceae subfamilia = Heliantheae genus = Ambrosia species = A. chenopodiifolia binomial =… … Wikipedia
Ambrosia confertiflora — Taxobox name = Ambrosia confertiflora image width = 220px regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Asterales familia = Asteraceae subfamilia = Heliantheae genus = Ambrosia species = A. confertiflora binomial =… … Wikipedia
