any of various cacti of the genus Mammillaria, including the pincushion cactus.

Origin of mammillaria

< New Latin (1824); see mammilla, -aria Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mammillaria

Historical Examples of mammillaria

  • Like Mammillaria MacDougalii, the tubercles when injured exude a thick white milky fluid.

    The Fantastic Clan

    John James Thornber