| jeffersonia | <botany> An American herb with a pretty, white, solitary blossom, and deeply two-cleft leaves (Jeffersonia diphylla); twinleaf. Origin: NL. Named after Thomas Jefferson. Source: Websters Dictionary (01 Mar 1998) |
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| jeffersonian | Pertaining to, or characteristic of, Thomas Jefferson or his policy or political doctrines. Source: Websters Dictionary (01 Mar 1998) |
| Jeffersonia |
a genus of American and Asian herbs of the family Berberidaceae. The root of J. diphyl´la (L.) Pers., of North America, is tonic, diuretic, and expectorant; emetic in large doses.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| jeffersonia | relating to or characteristic of Thomas Jefferson or his principles or theories |
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