Persicaria sagittata, common names American tearthumb, arrowleaf tearthumb, or arrowvine, is a plant species widespread in the eastern half of North America as well as in eastern Asia. It has been found in every state and province from
Texas to
Manitoba to
Newfoundland to
Florida, plus
Colorado and
Oregon.[2] It also grows in
China, the
Russian Far East,
Siberia,
Korea,
Japan, northern
India and
Mongolia. It grows in moist areas along lake shores, stream banks, etc.[3][4]
Persicaria sagittata is an annual herb up to 200 cm (80 inches) tall, with prickles along the stem. Leaves are up to 10 cm (4 inches) long, heart-shaped or arrowhead-shaped (unusual for the genus). Flowers are white to pink, borne in spherical to elongated clusters up to 15 mm (0.6 inches) long.[5][6]
^Merritt Lyndon Fernald. 1950. Gray's Manual of Botany, Eighth (Centennial) Edition. American Book Company, New York.
^Godfrey, R. K. & J. W. Wooten. 1981. Aquatic and Wetland Plants of Southeastern United States Dicotyledons 1–944. University of Georgia Press, Athens.