Indian Jointvetch. <a href="//commons.wikimedia.org/wiki/Seed" class="mw-redirect" title="Seed">Seeds</a> from <a href="//commons.wikimedia.org/wiki/China" class="mw-redirect" title="China">China</a>.
Steve Hurst @ USDA-NRCS PLANTS Database
<a rel="nofollow" class="external text" href="https://plants.usda.gov/java/largeImage?imageID=aein_002_ahp.tif">USDA</a>