Opuntia diploursina Great Basin deserts, is suspected to be a stabilized allopolyploid derived from "O. diploursina" and "O. basilaris". Some "O. diploursina" x "basilaris" progeny resemble "O. basilaris" var. "treleasei" (2n=33), an endemic species of California. Opuntia diploursina Opuntia diploursina is a species in the Cactaceae family, that grows near and in Lake Mead National Recreation Area and northward across Nevada's Mormon Mesa, into Utah. This species is a close relative and probable ancestor of "Opuntia erinacea", but "...differs in minor spines more closely appressed to pad surface, spines smaller in diameter and more flexible, inter-areolar distance less, upright growth habit, larger
Opuntia bentonii (less inclinded to narrow at the base). "O. bentonii" plants have fewer spines than "O. lindheimeri", zero to 3 (often only 1 or 2). One important difference is that the stigmas of "O. bentonii" flowers are yellow and not green as in "O. lindheimeri." Another individual feature of "O. bentonii" is that the veins are often visible between areoles. Opuntia bentonii Opuntia bentonii was proposed by some botanists to be a synonym of "Opuntia stricta". However, "O. bentonii", which grows in Texas, is separate and distinct from "O. stricta." "O. bentonii" was clearly described by Griffiths in 1911. Along with