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dodder |
Also found in: Dictionary/thesaurus, Medical, Hutchinson | 0.10 sec. |
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dodder: see morning glory morning glory, common name for members of the Convolvulaceae, a family of herbs, shrubs, and small trees (many of them climbing forms) inhabiting warm regions, especially the tropics of America and Asia. The family is characterized by milky sap. ..... Click the link for more information. . dodderAny of the leafless, twining, parasitic vines (see parasitism) that make up the genus Cuscuta (family Cuscutaceae), containing more than 150 species found throughout temperate and tropical regions. The stringlike stems may be yellow, orange, pink, or brown. Many species have been introduced with their host plants into new areas. Dodders contain no chlorophyll, instead absorbing water and food through rootlike organs called haustoria that penetrate the tissue of a host plant and may kill it. Dodder can do great damage to crops of clover, alfalfa, flax, hops, and beans. The best control is to remove the plant from fields by hand and to prevent its accidental introduction.dodder any rootless parasitic plant of the convolvulaceous genus Cuscuta, lacking chlorophyll and having slender twining stems with suckers for drawing nourishment from the host plant, scalelike leaves, and whitish flowers How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Also known as strangleweed and witches' shoelaces, dodders are listed among the 10 worst weeds in the United States. One of the parasitic plants called dodders responds to volatile compounds wafting off nearby plants and shows preferences for certain species, says Consuelo De Moraes of Pennsylvania State University in University Park. |
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