The differences between the subspecies are:
--ssp. egregia; Has tan flowers with darker midveins; Grows cylindrical with age rathe...Read Morer than staying globose or ovoid. Has about 50 spines per areole.
--ssp. hyalina; Has tan flowers with darker midveins; And Only has 26-36 spines per areole.
--ssp. lasiacantha; Has pale yellow to cream-white flowers with a reddish-brown midstripe; Has 40-80 spines per areole that are chalk-white and hug closer to the body of the cactus.
very cold tolerant Mammillaria, native to parts of the southwest US. Has small, almost userfriendly spines and white to pale yellow flow...Read Moreers. Small clumper wtih flattish tops where new spines are more cream colored than older spines below the flower halo.
The differences between the subspecies are:
--ssp. egregia; Has tan flowers with darker midveins; Grows cylindrical with age rathe...Read More
very cold tolerant Mammillaria, native to parts of the southwest US. Has small, almost userfriendly spines and white to pale yellow flow...Read More