VDict - Definition of ragweed pollen

search result for ragweed pollen in English - English (Wordnet) dictionary

pollen count ragweed pollen ragweed germ pore caryophyllidae subclass caryophyllidae ambrosia ambrosia psilostachya western ragweed perennial ragweed family asteraceae family compositae compositae asteraceae aster family microspore psithyrus genus psithyrus pollen beebread pilea microphylla micropyle artillery plant pollen tube hay fever pollinosis self-pollination false ragweed burweed marsh elder reagin iva xanthifolia pollinium pollenation anther pollination hypersensitivity reaction cross-pollinate pollinator catasetum macrocarpum jumping orchid fertilization fecundation fertilisation pollinate pollenate self-fertilised self-pollinated sensitized endogamic endogamous supersensitised sensitised supersensitive hypersensitised hypersensitized supersensitized theca dehisce bitterweed hypersensitive sac stigma cross-pollination self-fertilized forficate impregnation biramous fork-like prongy allergic pronged branched forked bifurcate hive dust