资料来源 : pyDict

旋花

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Convolvulin \Con*vol"vu*lin\, n. (Chem.)
   A glucoside occurring in jalap (the root of a convolvulaceous
   plant), and extracted as a colorless, tasteless, gummy mass
   of powerful purgative properties.