Abstract
The Joshua tree,Yucca brevifolia, is distributed over parts of Arizona, California, Nevada, and Utah. A study of its steroidal sapogenins showed that the leaves contain practically none; the wood, small amounts of smilagenin; the seeds high amounts of hecogenin and tigogenin.
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Woodbury, A.M., Wall, M.E. & Willaman, J.J. Steroidal sapogenins. LVIII. Steroidal sapogenins from the Joshua tree. Econ Bot 15, 79–86 (1961). https://doi.org/10.1007/BF02906763
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DOI: https://doi.org/10.1007/BF02906763