What is pertaining to, or derived from, the yellow jasmine (Gelsemium sempervirens); as, gelseminic acid, a white crystalline substance resembling esculin called?

gelseminic — Pertaining to, or derived from, the yellow jasmine (Gelsemium sempervirens); as, gelseminic acid, a white crystalline substance resembling esculin. (Webster's 1913.)

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