euphorbia milii crown of thorns cactus closeup

euphorbia milii crown thorns christ plant thorn background summer nature leaf floral beauty garden tropical colorful growth beautiful natural decorative flora exotic selective focus closeup ornament gardening ornamental succulent spiny euphorbiaceae bush crownofthorns botany thorny plants flowering cyathia var splendens houseplant close christmas pot flowerpot hybrid cultivar milli cactus