Mammillaria consists of spiny cacti characterized by their spherical or columnar forms, frequently growing in clusters. These plants feature numerous noticeable tubercles and produce funnel-shaped flowers that typically arrange themselves in a circle at the top of the stem.

Mammillaria discolor

Mammillaria dixanthocentron

Mammillaria dixanthocentron cristate

Mammillaria droegeana

Mammillaria duoformis

Mammillaria durangicola

Mammillaria durispina

Mammillaria duwei

Mammillaria eichlamii

Mammillaria elegans

This cactus features a group of cylindrical stems that can reach up to 15 cm tall, adorned with spines that range from creamy-yellow to brown. The flowers, measuring approximately 1.5 cm, display a pale yellow hue, sometimes with a hint of pink.

Mammillaria elongata

Mammillaria elongata 'D One'PBR

Mammillaria elongata cristate

Mammillaria elongata subsp. echinacea is a compact cactus that reaches a height of up to 10 cm, characterized by its cylindrical green stems. Each areole features an abundance of yellow, curved spines. In the spring, this plant produces flowers that can be white or yellow, occasionally displaying subtle pink stripes, arranged in a circular pattern around the top.

Mammillaria elongata subsp. echinacea

Mammillaria elongata subsp. elongata

Mammillaria elongata var. rufescens

Mammillaria eriacantha

Mammillaria erythrosperma

Mammillaria esseriana

Mammillaria felipensis

Mammillaria formosa

Mammillaria formosa subsp. chionocephala

Mammillaria geminispina is a cactus that develops a compact mound of clustered stems, reaching up to 20 cm in height. It features white radial spines alongside longer brown central spines. The plant produces flowers measuring about 1.5 cm, which are white with deep pink stripes.

Mammillaria geminispina

Mammillaria gigantea

Mammillaria glassii

Mammillaria glochidiata

Mammillaria goodridgii

Mammillaria grahamii

Mammillaria grahamii subsp. sheldonii

Mammillaria grusonii

Mammillaria guelzowiana

Mammillaria guerreronis var. recta

Mammillaria haageana

Mammillaria hahniana is a cactus that can grow either as a single stem or in clusters, reaching heights of up to 20 centimeters. Its surface is covered in thick white bristles along with fine spines. The plant produces flowers measuring about 1 centimeter, which are rose-red in color, and these are succeeded by small red fruits.

Mammillaria hahniana

Mammillaria hahniana subsp. mendeliana

Mammillaria hahniana subsp. woodsii

Mammillaria hernandezii

Mammillaria herrerae

Mammillaria heyderi

Mammillaria heyderi subsp. gummifera

Mammillaria hidalgensis var. inermis

Mammillaria huitzilopochtli

Mammillaria huitzilpochtli

Mammillaria humboldtii

Mammillaria hutchisoniana

Mammillaria insularis

Mammillaria johnstonii

Mammillaria karwinskiana

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