small clusters of different small cactus plant variants in a botanical garden greenhouse setting

arid background ball beautiful blooming botanical cactus cluster clusters colorful common czech desert different dry echinocereus echinus exotic flora focus foreground fresh garden golden green greenhosue greenhouse ground group haagei houseplant indoors latin light marbled names natural needle orange orurensis pattern plant polyacanthus prague prickly pygmaeaparodia rebutia republic seasonal setting sharp signs small spike stamen stone succulent texture thorn top tower tropical variants view wild yellow