arid
asterias
astrophytum asterias
astrophytum myriostigma
astrophytum nudum
blooming
botanical collection
botany
cactaceae
cacteae
cacti
cactoideae
cactus
cactus flower
caryophyllales
close up
closeup
collection
cultivar
desert
dry
eudicots
flora
floral
greenhouse
hardy
hobby
house plant
houseplant
macro
mexico
myriostigma
nature
needles
ornamental
plant
prickly
round
spine
spines
star
succulent
succulents
top view
vegetation
white
wildlife