Image 1 of 1 Silken Pincushion Cactus - Mammillaria bombycina $25.00 Plants by Nick catalog item. Original inventory name: Silken Pincushion Cactus. Format: Potted.View Care Guide Get notified by email when this product is in stock. Add To Cart Added! Plants by Nick catalog item. Original inventory name: Silken Pincushion Cactus. Format: Potted.View Care Guide