Regularity: Regularly occurring
Global Range: It occurs in Arizona, southeast New Mexico (from Lincoln to Otero and Eddy Cos.), Texas (near Rio Grande from El Paso Co. to Pecos and Brewster Cos. and in west Val Verde Co.), and Mexico.
Catalog Number: US 1110798
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): A. C. V. Schott
Year Collected: 1855
Locality: Texas, United States, North America
- Type collection: Engelmann, G. 1856. Proc. Amer. Acad. Arts. 3: 261.
Comments: It grows in limestone soils of desert hills and tablelands at 900-1,300 m.
Habitat and Ecology
Number of Occurrences
Note: For many non-migratory species, occurrences are roughly equivalent to populations.
Estimated Number of Occurrences: 21 - 80
Comments: Thirty-two EO's (Benson 1982).
While the use of nurse-plants in the cacti appears to be quite common, there are cases where seedlings have developed without the aid of a nurse-plant. Seedling development without the aid of a nurse-plant has been observed in Mammillaria lasiacantha (Godinez-Alvarez et al. 2003).
Life History and Behavior
National NatureServe Conservation Status
Rounded National Status Rank: NNR - Unranked
NatureServe Conservation Status
Rounded Global Status Rank: G4 - Apparently Secure
Reasons: Rank of G4 from TXHP (3/94). Scattered populations throughout southeast New Mexico and Texas.
IUCN Red List Assessment
Red List Category
Red List Criteria
Comments: Most cacti subject to horticultural collecting.
The species is legally protected in Mexico by the national list of species at risk of extinction, NOM-059-SEMARNAT-2010, where it is listed under category âat risk of extinctionâ (P; SEMARNAT 2010).
It is not known if it occurs in any protected areas.