Opuntia atrispinaOpuntia atrispina is a cactus species in the genus Opuntia.DescriptionThe flowers open pale yellow and darken with age to rose. Thus, the plants can be adorned with flowers of multiple colors: cream, yellow, salmon, and rose. Newly opened flowers can even have a hint of green in the middle. The spines are yellowish at the tips but dark brown at the bases.Distribution and habitatThe plant has limited distribution in the United States. In Texas it can be found from near Uvalde to Del Rio and Langtry—a small strip of area just 50 miles long.EtymologyThe epithet of this species means "black-spined", denoting the fact that its spines are dark-brown to black at least in the lower part.