aporocactus flagelliformis or rattail cactus.

america aporocactus awn background biodiversity biology blur botanical botany bur burr cacti cactus climber crawler creeper cultivars easy ecology famous flagelliformis flowering flowerpot garden gardening grow houseplant interesting ivy length like long mexico natural nature ornamental outdoor outstanding park plant planting popular prick rat rattail shape shaped shoots species spine stems succulent tail thorn trailing vine whip