opuntia polyacantha erinacea spines - little san bernardino mtns - 082022

angiosperms eudicots tough caryophyllales cactaceae cactus family grizzly prickly pear grizzlybear old man wild perennial subshrub succulent monoclinous white green spine point sharp barb defense armed glochid bristle california botanical biology conservation vegetation tranquility joshua tree national park little bernardino mountains mojave desert creosote scrub chaparral ecosystem nature indigenous native plants peaceful environment biodiversity botany natural beauty summer flora scenic hiking