Biology:Mammillaria zeilmanniana
| Mammillaria zeilmanniana | |
|---|---|
| |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Genus: | Mammillaria |
| Species: | M. zeilmanniana
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| Binomial name | |
| Mammillaria zeilmanniana Boed.
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Mammillaria zeilmanniana is a species of cactus. It is endemic to Mexico, where it is known only from Guanajuato. It grows in a narrow canyon usually near water where there is high humidity,[2] its total population is fewer than 250 individuals. It is threatened by illegal collection for the horticultural trade. Recent studies link this species to Mammillaria crinita.[1]
Description
This small cactus grows up to 12 cm high and up to 8 cm wide. When young this species has wooly areoles though when mature it has 13–15 radiant spine and 4 central spines one being hooked. The flowers are 2 cm across and usually occur in a ring along the top of the plant, var. albiflora is a variation not known to occur in the wild.[3]
A forked specimen
var. albiflora
References
- ↑ 1.0 1.1 Fitz Maurice, B.; Fitz Maurice, W.A.; Bárcenas Luna, R. (2013). "Mammillaria zeilmanniana". IUCN Red List of Threatened Species 2013: e.T40855A2937303. doi:10.2305/IUCN.UK.2013-1.RLTS.T40855A2937303.en. https://www.iucnredlist.org/species/40855/2937303. Retrieved 17 November 2021.
- ↑ Jones, David (2013). Starting out with Cacti. New Holland publisher. pp. 164.
- ↑ "Mammillaria zeilmanniana". http://www.cactus-art.biz/schede/MAMMILLARIA/Mammillaria_zeilmanniana/Mammillaria_zeilmannina/mammillaria_zeilmanniana.htm.
Wikidata ☰ Q5473066 entry
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