Envoy
''Calapogon tuberosus'' var ''tuberosus'' Clarence A. Rechenthin @ USDA-NRCS PLANTS Database. Courtesy of USDA NRCS Texas State Office. From http://plants.usda.gov/cgi_bin/topics.cgi?earl=plant_profile.cgi&symbol=CATUT&photoID=capu23_004_ahp.tif {{PD-U
