Ключевые слова: angiosperms, cactacea, cactea, cactoidea, cactus, cactus blossom, cactus spine, cactus thorn, caryophyllales, core eudicots, eudicots, magnoliopsida, mamillaria, plant, spermatophytes, spermatophytina, spine, thorn, tracheophyta, tracheophytes, wart cactus,