Epithelantha micromeris
(Engelm.) F.A.C.Weber ex Britton & Rose
Cactaceae
Cactus leucodasys Kuntze
Cactus leucodictius (Link ex Otto & Dietr.) Kuntze
Epithelantha petri Halda & Horácek
Epithelantha unguispina huastecana D.Donati & Zanov.
Mammillaria leucodasys Salm-Dyck ex Scheer
Mammillaria leucodictia Link ex Otto & Dietr.
Common Name: Button Cactus
General Information
Epithelantha micromeris is a very small, solitary or clump-forming cactus. The short stem is nearly globular, but depressed at the apex, it can be up to 6cm in diameter[
270- Title
- Flora of N. America
- Publication
-
- Author
-
- Website
- http://flora.huh.harvard.edu/fna/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
,
1987- Title
- The Cactus Family
- Publication
-
- Author
- Anderson E.F.
- Publisher
- Timber Press; Portland, Oregon
- Year
- 2001
- ISBN
- 0-88192-498-9
- Description
- An excellent work, giving botanical descriptions of virtually all the cacti, together with their range (but not their habitats) and sometimes also a photo. it also contains a long chapter detailing the many uses of cacti and another on cultivation..
].
The plant is harvested from the wild for local use as a food and medicine. It is grown as an ornamental[
338- Title
- IUCN Red List of Threatened Species
- Publication
-
- Author
-
- Website
- http://www.iucnredlist.org/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
].
Epithelantha micromeris has a wide range and tends to occur in high densities. It can be found in several protected areas. Some subpopulations are affected by illegal collection for horticulture and by agriculture, but this does not threaten the species as a whole. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2017)[
338- Title
- IUCN Red List of Threatened Species
- Publication
-
- Author
-
- Website
- http://www.iucnredlist.org/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
].
Known Hazards
None known
Botanical References
270- Title
- Flora of N. America
- Publication
-
- Author
-
- Website
- http://flora.huh.harvard.edu/fna/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
,
1987- Title
- The Cactus Family
- Publication
-
- Author
- Anderson E.F.
- Publisher
- Timber Press; Portland, Oregon
- Year
- 2001
- ISBN
- 0-88192-498-9
- Description
- An excellent work, giving botanical descriptions of virtually all the cacti, together with their range (but not their habitats) and sometimes also a photo. it also contains a long chapter detailing the many uses of cacti and another on cultivation..
Range
Southwest N. America - Arizona, New Mexico, Texas, northeast Mexico (Chihuahua, Coahuila, Durango, Nuevo León, San Luis Potosí and Zacatecas)
Habitat
Semi-desert among calcareous rock[
338- Title
- IUCN Red List of Threatened Species
- Publication
-
- Author
-
- Website
- http://www.iucnredlist.org/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
]. Woodlands, deserts, grasslands, crevices, coarse gravel, cliffs, sedimentary (rarely igneous) substrates; at elevations from 500 - 1,800 metres[
270- Title
- Flora of N. America
- Publication
-
- Author
-
- Website
- http://flora.huh.harvard.edu/fna/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
].
Properties
| Conservation Status | Least Concern |
| Edibility Rating |  |
| Medicinal Rating |  |
| Habit | Evergreen Perennial |
| Height | 0.05 m |
| Cultivation Status | Ornamental, Wild |
Cultivation Details
Some forms of Epithelantha micromeris are known to experience frost in their native habitat, with reports that some can tolerate short periods with temperatures down to -12°c[
423- Title
- Desert Tropicals
- Publication
-
- Author
-
- Website
- http://www.desert-tropicals.com/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- The main focus of the site is succulent plants, but it also contains information on a wide range of other species. Usually at least one good photograph, plus basic information about the plant and its cultivation.
]. However, the plant needs heat in the daytime and an arid or semi-arid climate if it is to thrive.
In cultivation, Cactus plants generally will not succeed in moist climates. They usually require a sunny position in a well-drained soil and to be kept more or less dry in the dormant season[
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. This species requires a pH in the range 6 - 7.5[
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Edible Uses
Fruit - raw. Slightly acid[
411- Title
- Trees and Shrubs of Mexico
- Publication
- Contributions from the United States National Herbarium Vol 23
- Author
- Standley P.C.
- Publisher
- Smithsonian Institution; Washington
- Year
- 1926
- ISBN
-
- Description
- Although dated, it contains a wealth of information on the trees and shrubs of Mexico, including many of their uses. It can be downloaded from the Internet.
]. Rather juicy[
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. The thin, red fruits are 8 - 12mm long[
411- Title
- Trees and Shrubs of Mexico
- Publication
- Contributions from the United States National Herbarium Vol 23
- Author
- Standley P.C.
- Publisher
- Smithsonian Institution; Washington
- Year
- 1926
- ISBN
-
- Description
- Although dated, it contains a wealth of information on the trees and shrubs of Mexico, including many of their uses. It can be downloaded from the Internet.
,
423- Title
- Desert Tropicals
- Publication
-
- Author
-
- Website
- http://www.desert-tropicals.com/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- The main focus of the site is succulent plants, but it also contains information on a wide range of other species. Usually at least one good photograph, plus basic information about the plant and its cultivation.
].
Medicinal
Epithelantha micromeris is believed by some native Mexican people to have special powers. Traditionally,it is used not so much for the actual treatment of ailments but by the shaman in order 'to make their eyes larger and clearer and to enable them to see sorcerers'[
1987- Title
- The Cactus Family
- Publication
-
- Author
- Anderson E.F.
- Publisher
- Timber Press; Portland, Oregon
- Year
- 2001
- ISBN
- 0-88192-498-9
- Description
- An excellent work, giving botanical descriptions of virtually all the cacti, together with their range (but not their habitats) and sometimes also a photo. it also contains a long chapter detailing the many uses of cacti and another on cultivation..
].
Use of the plant is also said to prolong life and give speed to runners[
1987- Title
- The Cactus Family
- Publication
-
- Author
- Anderson E.F.
- Publisher
- Timber Press; Portland, Oregon
- Year
- 2001
- ISBN
- 0-88192-498-9
- Description
- An excellent work, giving botanical descriptions of virtually all the cacti, together with their range (but not their habitats) and sometimes also a photo. it also contains a long chapter detailing the many uses of cacti and another on cultivation..
].
Several alkaloids and triterpenes have been isolated from this cactus, none are known to be psychoactive[
1987- Title
- The Cactus Family
- Publication
-
- Author
- Anderson E.F.
- Publisher
- Timber Press; Portland, Oregon
- Year
- 2001
- ISBN
- 0-88192-498-9
- Description
- An excellent work, giving botanical descriptions of virtually all the cacti, together with their range (but not their habitats) and sometimes also a photo. it also contains a long chapter detailing the many uses of cacti and another on cultivation..
]..
Other Uses
None known
Propagation
Seed -
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Useful Temperate Plants Database 2016 by
Ken Fern,
web interface by
Ajna Fern
with help from
Richard Morris.
