英文關鍵字
america
arid
botanical
botany
cactaceae
cacti
cactus
cephalocereus
cloud
columnar
cultivation
culture
desert
dessert
detail
flora
garden
group
growing
growth
habit
hot
landscape
long
mexico
nature
needles
north
nursery
pachycereeae
park
plant
prickles
sharp
southwest
southwestern
summer
sunny
tall
tropical
unbranched
vegetation
vertical
western
white
wilderness