Lion's leaf


  • Webster's Revised Unabridged Dictionary
    • n Lion's leaf lī"ŭnz lēf` (Bot) A South European plant of the genus Leontice Leontice leontopetalum), the tuberous roots of which contain so much alkali that they are sometimes used as a substitute for soap.
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In literature:

The talking leaf says it's a lion.
"The Talking Leaves" by William O. Stoddard