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Classification System: APG IV

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

Familia: Cactaceae
Subfamilia: Cactoideae
Tribus: Cacteae
Genus: Neolloydia
Species: N. conoidea – N. inexpectata – N. matehualensis

Neolloydia Britton & Rose, Bull. Torrey Bot. Club 49: 251 (1922).

Type species: Neolloydia conoidea (DC.) Britton & Rose


Coryphantha subg. Neolloydia (Britton & Rose) A.Berger, Kakteen: 8: 266 (1929).
Echinocactus [infragen. unranked] Conoidei Vaupel in Engelm. (ed.), Nat. Pflanzenfam. 21: 623, 628 (1925).
Neolloydia sect. Conoideae Kladiwa & Fittkau, Kakteen 46-47: CVIIIb, 1971, nom. inval.
Neolloydia subg. Eu-neolloydia Backeb., Blätt. Kakteenf. 4(3): [3] (1937), nom. inval.
Pediocactus sect. Neolloydia (Britton & Rose) Halda, Acta Mus. Richnov., Sect. Nat. 5(1): 23 (1998).
Pediocactus subg. Neolloydia (Britton & Rose) Halda, Acta Mus. Richnov., Sect. Nat. 5(1): 23 (1998).

Native distribution areas:

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

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

Britton, N.L. & Rose, J.N. (1922) [[Bull. Torrey Bot. Club 49: 251.
USDA, ARS, Germplasm Resources Information Network. Neolloydia in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.

Additional references

Doweld, A.B. 2000. Amplification of the genus Neolloydia Britton & Rose: addenda and corrigenda. Cactaceae Systematics Initiatives 9: 19–24. Reference page.
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.


Govaerts, R. et al. 2021. Neolloydia in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2021 Mar 25. Reference page.
International Plant Names Index. 2021. Neolloydia. Published online. Accessed: Mar 25 2021. 2021. Neolloydia. Missouri Botanical Garden. Published on the internet. Accessed: 2021 Mar 25.
Hassler, M. 2021. Neolloydia. 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 on the internet. Accessed: 2021 Mar 25. Reference page.

Vernacular names
lietuvių: Gūbruolė

Neolloydia is a genus of cacti. The genus is uniquely found in the dry scrub areas of southern Texas (Big Bend) and the Chihuahua Desert of Northeast Mexico.


The genus was first erected by Britton & Rose in 1922 in order to classify three uncomfortable species formerly placed in the genus Mammillaria (N. conoidea, N. ceratites, and N. grandiflora). A fourth species was added in 1923 (N. texensis). But it was not until 1948 that a fifth and final species was added by Backeberg (N. matehualensis).

Since then, Neolloydia has been a dumping ground for species from such diverse genera as Mammillaria, Coryphantha, Escobaria, Echinomastus, Cumarinia, and Thelocactus.

It was not until Glass and Foster (1977)[1] showed that there are very few botanical differences between Turbinicarpus and Gymnocactus that the definition of the genus Neolloydia began to take shape. Their work was followed up by John and Jan Říha (1981) and finally by Anderson in 1986. It now seems that Anderson's work on the Neolloydia complex is the generally accepted view.[according to whom?]


The following are considered synonyms of Neolloydia:

Napina Fric (nom. inval.)
Pseudosolisia Y.Itô (nom. inval.)


Glass, C. & Foster, R. (1977), "A revision of the genus Turbinicarpus", Cactus and Succulent Journal, 49: 161–176

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