These seeds are from Aristolochia macroura Ortega. The meaning of macroura is long tail. These amazingly complicated blossoms are brown with splotches of red, purple, and green. This plant does well in full sun and partial shade. All Aristolochia species, except for the Aristolochia gigantea, are larval host plants for the Pipevine Swallowtail, Polydamas Swallowtail, and Mylotes Cattleheart butterflies. USDA Hardiness Zones 10 to 11.