Frailea mammifera Crassulaceae This form often makes small

This form often makes small yellow spines that fall off leaving you with a fully spineless plant as it matures

This is one of the smallest  species with mature plants rarely reaching more than 2" or so in diameter

but any hard frost can kill it

This specimen is an otherwise normal plant that is starting to produce a crested stem

The heads are tiny

Frailea mammifera Crassulaceae This form often makes smallFrailea mammifera A cute miniature cactus species from South America with dark green to purple skin and golden spines. It produces yellow flowers in the summer. Takes normal cactus care but can be sensitive to overwatering in winter. Protect from frost. You will receive one of the plants shown in the last image. They are shown growing in a 3. 5" pot. Important Shipping Information PLANTS ARE SHIPPED BARE ROOT If you want me to send them in pots send