Complex sentence: Cat's claw has two varieties depending on whether the alkaloids have four rings or five; the five-ring alkaloid variety is medicinal and is called "savéntaro" by the Asháninka.
Split into simpler sentences: Cat's claw has two varieties depending on whether the alkaloids have four rings or five. The five-ring alkaloid variety is medicinal and is called "savéntaro" by the Asháninka.