<i>Zanthoxylum americanum</i>
<a rel="nofollow" class="external text" href="https://plants.usda.gov/java/usageGuidelines?imageID=zaam_003_ahp.tif">Steve Hurst @ USDA-NRCS PLANTS Database</a>
Unknown date<div style="display: none;">Unknown date</div>
<a rel="nofollow" class="external text" href="https://plants.usda.gov/java/profile?symbol=ZAAM&amp;photoID=zaam_002_avd.tif">usda.gov</a>