cactus flowers mammillaria compressa, thirty years old, native to mexico. on black background. one inch comparative scale

areola axillas beautiful beauty better bloom blooming blooms blossoms botanic botany bud bush cactus closeup collection composition decorativeness delicate design detail equilibrium excellent exclusive flora floriculture flower flowery genetics gorgeous grace green greenhouse home hothouse increasing interior lush mammillaria multiheaded multistem nature neat nipples perennial powerful seedling snapshot spikes spines spiny succulent unusual