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Mammillaria zeilmanniana

From Wikipedia, the free encyclopedia

Mammillaria zeilmanniana
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Mammillaria
Species:
M. zeilmanniana
Binomial name
Mammillaria zeilmanniana

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

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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]

References

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  1. ^ a b 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. Retrieved 17 November 2021.
  2. ^ Jones, David (2013). Starting out with Cacti. New Holland publisher. p. 164.
  3. ^ "Mammillaria zeilmanniana". Retrieved 10 November 2017.