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elm |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson | 0.03 sec. |
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elm (elm) any tree of the genus Ulmus ; Ulmus rubra is the slippery elm, the source of slippery elm bark. 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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Before the onslaught of Dutch elm disease, American elms were a
beloved urban tree thanks to their leafy canopy and ability to tolerate
air pollution, road salt, and extremes in weather. It stunts ragweed and Johnson grass, yellows
periwinkle and causes scorches in almonds, plum, sycamore, oak, maple,
mulberry--even stately American elms on the Mall in Washington, D. Denny Townsend, a research geneticist
at the National Arboretum in Washington, DC, is widely known for his
efforts to breed American elms that would be resistant to the disease. |
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