Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Solanales
Water Spinach, Swamp Morning Glory
Click or hover over the thumbnails to see larger pictures.
Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org bug_1116058
Flowers can be purple, pink or white with a purple center, per Invasive Plants, Guide to Identification, Impacts and Control.
USDA APHIS PPQ Archive, USDA APHIS PPQ, Bugwood.org bug_1149028
Leaves arrow-shaped, 1-6" x 1-3"; stems hollow, per Invasive Plants, Guide to Identification, Impacts and Control.
USDA APHIS PPQ Archive, USDA APHIS PPQ, Bugwood.org bug_1149035
Can be a procumbent terrestrial in wetland areas or a floating aquatic, per www.invasive.org.
COMPARE aquatic plants
Julia Scher, Federal Noxious Weeds Disseminules, USDA APHIS ITP, Bugwood.org bug_5376491