Gelsemium
Gelsemium , noun
[New Latin, from Italian gelsomino jasmine.]
1.
(Botany) 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.
(Medicine) The root of the yellow jasmine, used in malarial fevers, etc.