Mammillaria senilis is a species of cacti in the tribe Cacteae.[1] It is native to Mexico, where it is found in the states of Chihuahua, Durango, Jalisco, Nayarit, Sinaloa and in south Zacatecas.
| Mammillaria senilis | |
|---|---|
Conservation status | |
Least Concern (IUCN 3.1) | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Genus: | Mammillaria |
| Species: | M. senilis |
| Binomial name | |
| Mammillaria senilis Lodd. in Salm-Dyck | |
| Synonyms | |
|
Mammillaria diguetii (F.A.C. Weber) H.P. Kelsey & Dayton | |
The cactus grows in groups, and grow up to 8 inches tall. They form large red flowers that range from 5.5 to 6 centimeters in diameter.

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