pseudolobivia longispina - blooming cactus, opened yellow cactus flower from the botanical collection

pseudolobivia longispina cactus cacti succulent succulents bloom blooming flower yellow yellowflower desert botanical collection garden nature plant flora botany exotic arid dry macro closeup spines thorny prickly vibrant colorful bloomseason floweringcactus exoticplant rare greenhouse indoor ornamental desertplant blossom blossoms beauty succulentplant desertflower species gardening wild exoticflower