areola
background
biocoenosis
branched
cactuses
cereus
conditions
cristate
decorative
dense
desert
echinocereus
existence
extreme
fleshy
floriculture
flowering
fluid
form
green
life
liquid
marginal
mutant
mutated
mutation
needles
ornamental
overgrowth
plant
prickly
solid
source
spones
stems
succulent
thickets
thorny
tropical
vegetative
water