Areole

Characteristic organ of members of the cactus family. It is a thinly hairy cushion, a hairy or downy area at the apex of the tubercles (bumps) on cactus ribs, covered with a typical cotton-like pubescence, bearing modified bud scales (spines). The analogue of the bud of ordinary plants.

Characteristic organ of members of the cactus family. It is a thinly hairy cushion, a hairy or downy area at the apex of the tubercles (bumps) on cactus ribs, covered with a typical cotton-like pubescence, bearing modified bud scales (spines). The analogue of the bud of ordinary plants.