Homalocephala polycephala

Homalocephala polycephala

Homalocephala polycephala

Taxonavigation

Taxonavigation: Caryophyllales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Ordo: Caryophyllales

Familia: Cactaceae
Subfamilia: Cactoideae
Tribus: Cacteae
Genus: Homalocephala
Species: Homalocephala polycephala
Varietates: H. p. var. polycephala – H. p. var. xeranthemoides

Name

Homalocephala polycephala (Engelm. & J.M.Bigelow) Vargas-Luna & Bárcenas, PhytoKeys 111: 49 (2018).

Synonyms

• Echinocactus polycephalus Engelm. & J.M.Bigelow in Pacif. Railr. Rep. Parke, Bot. 4: 31. 1857 syn. sec. Vargas-Luna & al. 2018
• Emorycactus polycephalus (Engelm. & J.M.Bigelow) Doweld in Succulenta (Netherlands) 75: 270. 1996 syn. sec. Kew WCVP (2019)
• Echinocactus polycephalus var. polycephalus syn. sec. Vargas-Luna & al. 2018
  • Echinocactus polycephalus var. flavispinus F.Haage in Monatsschr. Kakteenk. 9: 43. 1899 syn. sec. WFO 2019

Distribution

Native distribution areas:
Continental: Northern America Regional: Southwestern U.S.A. Arizona, California, Nevada Regional: Mexico Mexico Northwest. References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Primary references

• Vargas-Luna, M.D., Hernández-Ledesma, P. & Majure, L.C. 2018. Splitting Echinocactus: morphological and molecular evidence support the recognition of Homalocephala as a distinct genus in the Cacteae. PhytoKeys 111: 31–59. DOI: 10.3897/phytokeys.111.26856 Reference page. 
• Engelmann, G. & Bigelow, J.M. 1856. Proc. Amer. Acad. Arts 3: 276 (1856)

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. 
• Govaerts, R.H.A. 2001. World Checklist of Seed Plants Database in ACCESS E-F: 1-50919. [unavailable to the public] Reference page. 
• 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 Reference page. 

Links

• Korotkova, N. et al. 2021. Homalocephala polycephala in Cactaceae at Caryophyllales.org. A global synthesis of species diversity in the angiosperm order Caryophyllales. Published online. Accessed: 2021 Nov 14. Reference page. 
• Govaerts, R. et al. 2021. Homalocephala polycephala in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2021 Mar 13. Reference page. 
• International Plant Names Index. 2021. Homalocephala polycephala. Published online. Accessed: Mar 13 2021.
• Tropicos.org 2021. Homalocephala polycephala. Missouri Botanical Garden. Published online. Accessed: 13 Mar 2021.
• Hassler, M. 2021. Homalocephala polycephala. 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 13. Reference page. 
• USDA, ARS, Germplasm Resources Information Network. Homalocephala polycephala in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.

Vernacular names

English: cottontop cactus, many-head barrel cactus
español: Biznaga-tonel amacollada

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