a large cluster of the polaskia chende cactus plant grown in observation

big blunt branch branches bud buds cacti cactus characteristic characteristics chende close closeup crest crested cultivation cylindrical dark desert distribution dry flower flowers fresh genus green greens grow growth huge indoor indoors land large light mescaline mexican mexico oaxaca oblong observation observatory photosynthesis plant plants polaskia primitive puebla resilience resilient retention rib ribs shape shaped shapes species spine spines state states stenocereus tough water withstand