Goldenrod vs. Ragweed

Goldenrodnoun

Any tall-stemmed plant principally from genus Solidago (also Oligoneuron), usually with clusters of small yellow flowers.

Goldenrodnoun

A golden-yellow colour, like that of the goldenrod plant.

Goldenrodadjective

Of a golden-yellow colour, like that of the goldenrod plant.

Goldenrodnoun

A tall herb (Solidago Virga-aurea), bearing small yellow flowers in a graceful elongated cluster. The name is common to all the species of the genus Solidago.

Goldenrodnoun

any of numerous chiefly summer-blooming and fall-blooming North American plants especially of the genus Solidago

Goldenrod

Goldenrod is a common name for many species of flowering plants in the sunflower family, Asteraceae, commonly in reference to the genus Solidago. Several genera, such as Euthamia, were formerly included in a broader concept of the genus Solidago.

Ragweednoun

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

Ragweednoun

A common American composite weed (Ambrosia artemisiæfolia) with finely divided leaves; hogweed.

Ragweednoun

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

Ragweednoun

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

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.