gelsemium, n. [NL., fr. It. gelsomino jasmine.].
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A genus of climbing plants. The yellow (false) jasmine (Gelsemium sempervirens) is a native of the Southern United States. It has showy and deliciously fragrant flowers. [1913 Webster]
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The root of the yellow jasmine, used in malarial fevers, etc. [1913 Webster]