Mammillaria geminispina

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Ordo: Caryophyllales

Familia: Cactaceae
Subfamilia: Cactoideae
Tribus: Cacteae
Genus: Mammillaria
Subgenus: M. subg. Mammillaria
Sectio: M. sect. Mammillaria
Series: M. ser. Leucocephalae
Species: Mammillaria geminispina
Subspecies: M. g. subsp. geminispina – M. g. subsp. leucocentra
Name

Mammillaria geminispina Haw., Philos. Mag. J. 63: 42 (1824).
Synonyms

Cactus geminispinus (Haw.) Kuntze, Revis. Gen. Pl. 1: 260. 1891 syn. sec. Hunt 2016
Neomammillaria geminispina (Haw.) Britton & Rose, Cactaceae 4: 98–99. 1923 syn. sec. Korotkova 2021
Cactus columnaris Moc. & Sessé ex DC., Prodr. 3: 459. 1828 syn. sec. Kew WCVP (2019)
Mammillaria elegans DC. in Mém. Mus. Hist. Nat. 17: 11. 1828 syn. sec. Tropicos
Cactus elegans (DC.) Kuntze, Revis. Gen. Pl. 1: 260. 1891 syn. sec. Kew WCVP (2019)
Neomammillaria elegans (DC.) Britton & Rose, Cactaceae 4: 107–108, f. 109. 1923 syn. sec. Tropicos
Mammillaria elegans var. globosa DC. in Mém. Mus. Hist. Nat. 17: 111. 1828 syn. sec. Kew WCVP (2019)
Mammillaria elegans var. minor DC. in Mém. Mus. Hist. Nat. 17: 111. 1828 syn. sec. Kew WCVP (2019)
Mammillaria bicolor Lehm., Index Seminum (HBG) 1830: 7. 1830 syn. sec. Kew WCVP (2019)
Neomammillaria bicolor (Lehm.) Y.Itô, Cactaceae: 575. 1981 syn. sec. Hunt 2016
Mammillaria acanthophlegma Lehm. in Del. Sem. Hort. Hamburg. 1832 syn. sec. Kew WCVP (2019)
Cactus acanthophlegmus (Lehm.) Kuntze, Revis. Gen. Pl. 1: 260. 1891 syn. sec. Hunt 2016
Neomammillaria acanthoplegma (Lehm.) Y.Itô, Cactaceae: 588. 1981 syn. sec. Korotkova 2021
Neomammillaria acanthophlegma (Lehm.) Y.Itô, Cactaceae: 588. 1981, nom. inval., syn. sec. Kew WCVP (2019)
Mammillaria daedalea Scheidw., Hort. Belge 4: 16. 1837 syn. sec. Kew WCVP (2019)
Mammillaria nivea var. daedalea (Scheidw.) Lem., Cact. Gen. Sp. Nov.: 101. 1839 syn. sec. Kew WCVP (2019)
Mammillaria dyckiana Zucc. ex Pfeiff., Enum. Diagn. Cact.: 26. 1837 syn. sec. Tropicos
Cactus dyckianus (Zucc.) Kuntze, Revis. Gen. Pl. 1: 260. 1891 syn. sec. Kew WCVP (2019)
Mammillaria leucocephala Pfeiff., Enum. Diagn. Cact.: 180. 1837 syn. sec. Kew WCVP (2019)
Mammillaria eburnea Miq. in Linnaea 12: 14. 1838 syn. sec. Kew WCVP (2019)
Mammillaria elegans var. micracantha Lem., Cact. Gen. Sp. Nov.: 100. 1839 syn. sec. Kew WCVP (2019)
Mammillaria geminispina var. monacantha Lem. & Monv., Cact. Gen. Sp. Nov.: 100. 1839 syn. sec. Kew WCVP (2019)
Mammillaria geminispina var. tetracantha Lem. & Monv., Cact. Gen. Sp. Nov.: 100. 1839 syn. sec. Kew WCVP (2019)
Mammillaria nobilis Pfeiff. in Allg. Gartenzeitung 8: 282. 1840 syn. sec. Tropicos
Mammillaria bicolor var. nobilis (Pfeiff.) C.F.Först., Handb. Cacteenk.: 198. 1846 syn. sec. Kew WCVP (2019)
Cactus nobilis (Pfeiff.) Kuntze, Revis. Gen. Pl. 1: 261. 1891, nom. illeg., syn. sec. Tropicos
Mammillaria bicolor f. nobilis (Pfeiff.) Schelle, Handb. Kakteenkult.: 263. 1907 syn. sec. Kew WCVP (2019)
Mammillaria geminispina var. nobilis (Pfeiff.) Backeb., Cactaceae 5: 3185. 1961 syn. sec. Kew WCVP (2019)
Mammillaria toaldoae Lehm. ex Walp., Repert. Bot. Syst. 2: 289. 1843 syn. sec. Kew WCVP (2019)
Mammillaria klugei Ehrenb. in Bot. Zeitung (Berlin) 2: 834. 1844 syn. sec. Kew WCVP (2019)
Mammillaria klugii Ehrenb. in Bot. Zeitung (Berlin) 2: 834. 1844 syn. sec. Britton & Rose 1923
Mammillaria elegans var. klugei (Ehrenb.) Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 9. 1850 syn. sec. Kew WCVP (2019)
Cactus klugii (Ehrenb.) Kuntze, Revis. Gen. Pl. 1: 260. 1891 syn. sec. Kew WCVP (2019)
Mammillaria bicolor var. longispina Salm-Dyck, Cact. Hort. Dyck., ed. 1844: 6. 1845 syn. sec. Kew WCVP (2019)
Mammillaria bellatula C.F.Först. in Allg. Gartenzeitung 15: 51. 1847 syn. sec. Britton & Rose 1923
Cactus bellatulus (C.F.Först.) Kuntze, Revis. Gen. Pl. 1: 259. 1891 syn. sec. Kew WCVP (2019)
Mammillaria splendens Ehrenb. in Allg. Gartenzeitung 17: 242. 1849 syn. sec. Kew WCVP (2019)
Mammillaria acanthophlegma var. decandollei Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 9. 1850 syn. sec. Kew WCVP (2019)
Mammillaria bicolor var. cristata Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 9. 1850 syn. sec. Kew WCVP (2019)
Mammillaria bicolor f. cristata (Salm-Dyck) Schelle, Handb. Kakteenkult.: 263. 1907 syn. sec. Kew WCVP (2019)
Mammillaria acanthophlegma var. abducta Monv. ex Labour., Monogr. Cact.: 64. 1853 syn. sec. Kew WCVP (2019)
Mammillaria acanthophlegma var. elegans Monv. ex Labour., Monogr. Cact.: 63. 1853 syn. sec. Kew WCVP (2019)
Mammillaria acanthophlegma var. leucocephala Monv. ex Labour., Monogr. Cact.: 63. 1853 syn. sec. Kew WCVP (2019)
Mammillaria acanthophlegma var. monacantha Monv. ex Labour., Monogr. Cact.: 63. 1853 syn. sec. Kew WCVP (2019)
Mammillaria recta Miq. ex Labour., Monogr. Cact.: 63. 1853 syn. sec. Kew WCVP (2019)
Mammillaria nivea var. brevispina Hildm. in Verz.: 4. 1888 syn. sec. Kew WCVP (2019)
Mammillaria geminispina var. brevispina (Hildm.) Backeb., Cactaceae 5: 3186. 1961 syn. sec. Hunt 2016
Cactus leucocentrus (Bergm.) Kuntze, Revis. Gen. Pl. 1: 260. 1891 syn. sec. Kew WCVP (2019)
Cactus meissneri Kuntze, Revis. Gen. Pl. 1: 261. 1891 syn. sec. Kew WCVP (2019)
Mammillaria elegans var. aureispina Borg, Cacti, ed. 1: 336. 1937 syn. sec. Kew WCVP (2019)
Mammillaria albata var. longispina Repp., Gattung Mammill. nach dem Heutigen Stand Meines Wissens: 132. 1987 syn. sec. Kew WCVP (2019)
Mammillaria albata var. sanciro Repp., Gattung Mammill. nach dem Heutigen Stand Meines Wissens: 132. 1987 syn. sec. Kew WCVP (2019)
Mammillaria elegans var. longicaudata Repp., Gattung Mammill. nach dem Heutigen Stand Meines Wissens: 109. 1987 syn. sec. Kew WCVP (2019)
Mammillaria elegans var. lupina Repp., Gattung Mammill. nach dem Heutigen Stand Meines Wissens: 108. 1987 syn. sec. Kew WCVP (2019)
Mammillaria elegans var. teyuca Repp., Gattung Mammill. nach dem Heutigen Stand Meines Wissens: 111. 1987 syn. sec. Kew WCVP (2019)
Mammillaria elegans var. nigrispina Borg, Cacti, ed. 1: 336. 1937, nom. inval., syn. sec. Kew WCVP (2019)
Neomammillaria neoelegans var. nigrispina (Borg) Y.Itô, Cactaceae: 583. 1981, nom. inval., syn. sec. Kew WCVP (2019)
Neomammillaria bicolor var. nivea Y.Itô, Cactaceae: 576. 1981, nom. inval., syn. sec. Kew WCVP (2019)

Distribution
Native distribution areas:

Continental: Northern America
Regional: Mexico
Mexico Gulf, Mexico Northeast

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References
Primary references

Haworth, A.H. (1824) Philosophical Magazine and Journal. London 63: 42.

Additional references

Villaseñor, J.L. 2016. Checklist of the native vascular plants of Mexico. Revista Mexicana de Biodiversidad 87: 559–902. DOI: 10.1016/j.rmb.2016.06.017 Online PDF Reference page.
Hernández, H.M. & Gómez-Hinostrosa, C. (2015). Mapping the cacti of Mexico part II. Mammillaria Succulent Plant Research 9: 1-189.
Korotkova, N., Aquino, D., Arias, S., Eggli, U., Franck, A. , Gómez-Hinostrosa, C., Guerrero, P.C., Hernández, H.M., Kohlbecker, A., Köhler, M., Luther, K., Majure, L.C., Müller, A., Metzing, D., Nyffeler, R., Sánchez, D., Schlumpberger, B. & Berendsohn, W.G. 2021. Cactaceae at Caryophyllales. org–a dynamic online species-level taxonomic backbone for the family. Willdenowia 51(2): 251–270. DOI: 10.3372/wi.51.51208 Open access Reference page.

Links

Korotkova, N. et al. 2021. Mammillaria geminispina in Cactaceae at Caryophyllales.org. A global synthesis of species diversity in the angiosperm order Caryophyllales. Published online. Accessed: 2021 Nov 18. Reference page.
Govaerts, R. et al. 2021. Mammillaria geminispina in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2021 Mar 17. Reference page.
International Plant Names Index. 2021. Mammillaria geminispina. Published online. Accessed: Mar 17 2021.
Tropicos.org 2021. Mammillaria geminispina. Missouri Botanical Garden. Published online. Accessed: 17 Mar 2021.
Hassler, M. 2021. Mammillaria geminispina. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2021. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2021 Mar 17. Reference page.
USDA, ARS, Germplasm Resources Information Network. Mammillaria geminispina in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.
IUCN: Mammillaria geminispina Haw. (Least Concern)

Vernacular names
English: twin spined cactus
español: biznaga de chilitos
lietuvių: Dvyndyglė mamiliarija
русский: Маммиллярия парноколючковая
svenska: Silvervårtkaktus

Mammillaria geminispina, the twin spined cactus, is a species of flowering plant in the family Cactaceae, native to central Mexico. It grows to 25 cm (10 in) tall by 50 cm (20 in) broad. The clustering spherical stems, 8 cm in diameter, are covered in white down and white spines. Carmine pink flowers are borne in summer and autumn.[2]

Its status is listed as “Least concern ” by the IUCN Red List.[1]
Cultivation

Mammillaria geminispina is one of several Mammillaria species to be cultivated.[3] In temperate regions it must be grown under glass with heat. It has gained the Royal Horticultural Society's Award of Garden Merit.[4][5]
References

Gómez-Hinostrosa, C.; Sánchez , E.; Guadalupe Martínez, J.; Bárcenas Luna, R. (2017). "Mammillaria geminispina". IUCN Red List of Threatened Species. 2017: e.T151876A121511748. doi:10.2305/IUCN.UK.2017-3.RLTS.T151876A121511748.en. Retrieved 11 November 2021.
RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
"Cactus Art - Mammillaria geminispina". Retrieved 26 June 2013.
"RHS Plant Selector - Mammillaria geminispina". Retrieved 29 October 2020.
"AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 63. Retrieved 25 March 2018.