Opuntia austrina, sometimes referred to as Devil's-Tongue or Eastern Prickly Pear, is a species of cactus found in the southeastern US states of Florida, Alabama, Missisippi, and Texas. It can grow up to 5 inches in length and it's flowers are yellow in color.
Unpublished Griffiths, David Glass negative stored in Smithsonian Institution Archives as of 1988. Opuntia azurea (Cactaceae). Collection: D. Griffiths 33719, U.S.A., Southwest; pads & flowers. Negative numbers listed are 1659 and 10033. Artist: Morita, Kako - Apr 16 1910. Opuntia azurea (Cactaceae). Collection: S.P.I. 33719, U.S.A., Southwest; fruit. Negative numbers listed are 1659 and 10033. Artist: Krieger, L.C.C. - Sep 24 1914.