Flowers and Fruit of the Genus Mammillaria

joebowman.scienceblog.com – Mammillaria or the nipple cactus is one of the most popular of all cacti genera.  Named for the characteristically pronounced tubercles, mammillaria as a genus are globose to barrel shaped either solitary or clustering and branching to trailing.  Many species have latex sap and typically dense spination.  Geographic distribution varies from the northern … Read moreFlowers and Fruit of the Genus Mammillaria