Grusonia

Familia: Cactaceae
Subfamilia: Opuntioideae
Tribus: Cylindropuntieae
Genus: Grusonia
Species: G. aggeria – G. agglomerata – G. bradtiana – G. bulbispina – G. clavata – G. deinacantha – G. densispina – G. emoryi – G. grahamii – G. guccinii – G. halophila – G. invicta – G. kunzei – G. marenae – G. moelleri – G. parishii – G. reflexispina – G. robertsii – G. schottii – G. vilis – G. wrightiana

Grusonia Rchb.f. ex Britton & Rose (1919)

• Type species: G. bradtiana (J.M.Coult.) Britton & Rose

• Homotypic
  • Opuntia subg. Grusonia (Rchb.f. ex Britton & Rose) Bravo, Cact. Suc. Mex. 17(4): 118 (1972)
• Heterotypic
  • Corynopuntia F.M.Knuth, Kaktus-ABC: 114, 410. (1936) ["1935"] syn. sec. Hunt (2016).
    • Type: Corynopuntia clavata (Engelm.) F.M.Knuth
  • Marenopuntia Backeb. in Desert Pl. Life 22: 27. (1950) syn. sec. Hunt (2016).
    • Type: Marenopuntia marenae (S.H.Parsons) Backeb.
  • Opuntia subg. Corynopuntia (F.M.Knuth) Bravo, Cact. Suc. Mex. 17(4): 118 (1972).
  • Opuntia [infragen.unranked] Clavatae Engelm., Proc. Amer. Acad. Arts 3: 289, 302 (1856), Syn. Cact. U. S. 33, 46 (1856).
    • Type species: O. clavata Engelm.
  • Opuntia ser. Clavatae K.Schum., Gesamtbeschr. Kakt. 658 (1898), BHL.
    • Type species: O. clavata Engelm.
  • Opuntia ser. Clavatae Britton & Rose, Cactaceae 1: 79 (1919), nom. illeg.
    • Type species: O. clavata Engelm.
      

Note: Due to priority Grusonia Rchb.f. ex Britton & Rose (1919) has precedence over Corynopuntia F.M.Knuth, Kaktus-ABC: 114, 410. (1936) when the two genera are synonymised Art. 11. ICN (2021)

Reichenbach, H.G., 1894. Monatsschr. Kakteenk. 4: 110

• Britton, N.L. & Rose, J.N. 1919. The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family. Vol. 1. 236 pp. + 38 pl. Carnegie Institution of Washington. BHL PDF Reference page. : 1: 215.
• 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. 
• Majure, L.C., Baker, M.A., Cloud-Hughes, M.A., Salywon, A.M. & Neubig, K.M. 2019. Phylogenomics in Cactaceae: A case study using the chollas sensu lato (Cylindropuntieae, Opuntioideae) reveals a common pattern out of the Chihuahuan and Sonoran deserts. American Journal of Botany 106(10): 1327–1345. DOI: 10.1002/ajb2.1364 Reference page. 

• Korotkova, N. et al. 2021. Grusonia in Cactaceae at Caryophyllales.org. A global synthesis of species diversity in the angiosperm order Caryophyllales. Published online. Accessed: 2021 Nov. 26. Reference page. 
• International Plant Names Index. 2021. Grusonia. Published online. Accessed: Nov. 27 2021.
• Tropicos.org 2021. Grusonia. Missouri Botanical Garden. Published online. Accessed: 27 Nov. 2021.
• USDA, ARS, Germplasm Resources Information Network. Grusonia in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.

For more multimedia, look at Grusonia on Wikimedia Commons.