(This plant comes in a 3.5" pot. You will receive a very similar plant to the one in the picture. It may or may not be blooming at the time of your purchase. The plant is shipped in its pot to prevent any damage to the roots).
Origin and habitat: Baja California Mexico.
Habit: Solitary or clustering cylindrical cactus entirely hidden under the many closely set spines.
Mammillaria albicans produces clumps of 5-15 branches with cylindrical stems closely crowded and obscured by spines . Areoles densely white-woolly in youth.
Flowers: Around the top, white to pale pink, with pinkish mid-veins, up to 20 mm in diameter. Outer perianth-segments with a pinkish mid-rib. Inner perianth-segments white. Filaments pinkish. Style nearly white; stigma-lobes nearly white to purplish.
Blooming season: Summer (June to August).
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz