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The Collaborative International Dictionary
Gelsemium

Gelsemium \Gel*se"mium\, n. [NL., fr. It. gelsomino jasmine.]

  1. (Bot.) 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.

  2. (Med.) The root of the yellow jasmine, used in malarial fevers, etc.

Wiktionary
gelsemium

n. Any of several flowering plants, of the genus (taxlink Gelsemium genus noshow=1), many of which are poisonous.

Wikipedia
Gelsemium

Gelsemium is an Asian and North American genus of flowering plants belonging to family Gelsemiaceae. The genus contains three species of shrubs to straggling or twining climbers. Two species are native to North America, and one to China and Southeast Asia.

Carl Linnaeus first classified G. sempervirens as Bignonia sempervirens in 1753; Antoine Laurent de Jussieu renamed the genus in 1789. Gelsemium is a Latinized form of the Italian word for jasmine, gelsomino. G. elegans is also nicknamed "heartbreak grass".

Usage examples of "gelsemium".

Similar roots of Jasmine, especially those of Jasminum fruticans, are sometimes intermixed, and can be distinguished by the absence of indurated pith cells, which occur in Gelsemium, by the abundance of thin-walled starch cells in the pith and in the medullary ray cells (those of Gelsemium being thickwalled and destitute of starch), and by the bast fibres round the sieve tubes.