What does ragweed mean?

Definitions for ragweed

This dictionary definitions page includes all the possible meanings, example usage and translations of the word ragweed.

Princeton's WordNet

  1. ragwort, tansy ragwort, ragweed, benweed, Senecio jacobaeanoun

    widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity

  2. ragweed, ambrosia, bitterweednoun

    any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma


  1. ragweednoun

    A plant of the genus Ambrosia. These weeds are particularly noted for producing pollen which people with hay fever are allergic to.


  1. Ragweed

    Ragweeds are flowering plants in the genus Ambrosia in the aster family, Asteraceae. They are distributed in the tropical and subtropical regions of the Americas, especially North America, where the origin and center of diversity of the genus are in the southwestern United States and northwestern Mexico. Several species have been introduced to the Old World and some have naturalized and have become invasive species. Ragweed species are expected to continue spreading across Europe in the near future in response to ongoing climate change.Other common names include bursages and burrobrushes. The genus name is from the Greek ambrosia, meaning "food or drink of immortality".Ragweed pollen is notorious for causing allergic reactions in humans, specifically allergic rhinitis. Up to half of all cases of pollen-related allergic rhinitis in North America are caused by ragweeds.The most widespread species of the genus in North America is Ambrosia artemisiifolia.


  1. ragweed

    Ragweed is a type of flowering plant from the Asteraceae family that is well known for causing hay fever. These types of plants are native to North America and have since been introduced to other parts of the world. Ragweed plants typically grow in rural areas and open spaces that get plenty of sunlight. They produce a large amount of very lightweight pollen that can be carried over long distances by the wind, which is often the cause of seasonal allergies in late summer and fall.

Webster Dictionary

  1. Ragweednoun

    a common American composite weed (Ambrosia artemisiaefolia) with finely divided leaves; hogweed


  1. Ragweed

    Ragweeds are flowering plants in the genus Ambrosia in the sunflower family Asteraceae. Common names include bitterweeds and bloodweeds. The name Ambrosia is sometimes claimed to be derived from the Ancient Greek term ἀμβροσία referring to the food of the gods of Mount Olympus that conferred immortality. The term might refer to the tenacity of the plants, which makes it hard to rid an area of them if they occur as invasive weeds. The genus is best known for the severe and widespread allergies caused by its pollen. Ragweeds occur in temperate regions of the Northern Hemisphere and South America. Ragweeds prefer dry, sunny grassy plains, sandy soils, river banks, roadsides, and ruderal sites such as vacant lots and abandoned fields. There are 41 species worldwide. Many are adapted to the arid climates of the desert. Burrobush is one of the most arid-adapted perennials in North America. About 10 species occur in the Sonoran Desert.

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  1. Chaldean Numerology

    The numerical value of ragweed in Chaldean Numerology is: 8

  2. Pythagorean Numerology

    The numerical value of ragweed in Pythagorean Numerology is: 9

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"ragweed." Definitions.net. STANDS4 LLC, 2023. Web. 10 Dec. 2023. <https://www.definitions.net/definition/ragweed>.

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