Approximately 8 ribs; globular when young but somewhat columnar with age. Spines are golden, approximately 1″ in length and arranged marginally along the angles of the ribs. Requires bright light. Soil must have extra drainage; such as can be attained by addition of extra pumice or perlite. Water thoroughly when soil is dry to touch, but do not allow soil to remain waterlogged. Protect from frost.
10.5cm pot size and as always, plants are living items so may vary from the image.