corybulbine

\\ˌkȯrə̇ˈbəlˌbēn, -_bə̇n\ noun (-s)

Etymology: International Scientific Vocabulary cory- (from New Latin Corydalis) + bulb- (from New Latin bulbosa — former specific epithet of Corydalis cava — from Latin, feminine of bulbosus bulbous) + -ine — more at bulbous

: a crystalline alkaloid C₂₁H₂₅NO₄ obtained from the roots of species of Corydalis