Aristolochia reticulata, the Red River snakeroot, Texas Dutchman's pipe, or Texas pipevine, is a species of perennial herb in the family Aristolochiaceae, and endemic to Arkansas, Louisiana, Oklahoma, and Texas.[1] Its habit is erect to sprawling, up to 0.4 meters in height.[2] It flowers in summer and late spring, and summer and grows in moist, sandy soils.