Cochemiea

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Cochemiea
Cochemiea macdougallii
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Cacteae
Genus: Cochemiea
(K.Brandegee) Walton[1]
Type species
Cochemiea halei
Species

See text.

Synonyms
  • Mammillaria subg. Cochemiea K.Brandegee, 1897
  • Neolloydia Britton & Rose

Cochemiea is a genus of cactus.[2] It has previously been synonymized with Mammillaria, but molecular phylogenetic studies have shown that when broadly circumscribed, Mammillaria is not monophyletic, and Cochemiea has been accepted as a separate genus.[3] Cactaceae is the 5th most endangered plant or animal family globally evaluated by the International Union for the Conservation of Nature.[4]

Taxonomy[edit]

A 2021 molecular phylogenetic study of the "mammilloid clade", which included the genera Cochemiea, Coryphantha, Cumarinia, Escobaria, Mammillaria, Neolloydia and Ortegocactus, showed that it consisted of four monophyletic groups, which the authors re-circumscribed into four genera: Cumarinia; Mammillaria, with a reduced number of species; Coryphantha, expanded to include species previously placed in Mammillaria and Escobaria; and Cochemiea, expanded to include a large number of species previously placed in Mammillaria, as well as Neolloydia conoidea.[3]

Mammilloid clade

Cumarinia

Mammillaria s.s.

Coryphantha s.l.

Cochemiea s.l.

Species[edit]

In 2021, Breslin, Wojciechowski and Majure placed the following species in the genus, some already placed there and some moved from Mammillaria, Neolloydia, Neomammillaria and Ortegocactus.[3] As of December 2022, Plants of the World Online accepted in the genus the species moved by Breslin et al.[2]

Image Scientific name Distribution
Cochemiea albicans (Britton & Rose) P.B.Breslin & Majure Mexico (Baja California)
Cochemiea angelensis (R.T.Craig) P.B.Breslin & Majure Mexico
Cochemiea armillata (K.Brandegee) P.B.Breslin & Majure Mexico (Baja California Sur)
Cochemiea barbata (Engelm.) Doweld Mexico (Chihuahua, Durango)
Cochemiea blossfeldiana (Boed.) P.B.Breslin & Majure Mexico (Guadalupe, Baja California)
Cochemiea boolii (G.E.Linds.) P.B.Breslin & Majure, Mexico (Sonora)
Cochemiea bullardiana (H.E.Gates) P.B.Breslin & Majure, Mexico (Baja California)
Cochemiea capensis (H.E.Gates) Doweld Mexico (Baja California Sur, Sonora)
Cochemiea cerralboa (Britton & Rose) P.B.Breslin & Majure Mexico (Baja Carlifornia Sur).
Cochemiea conoidea (DC.) P.B.Breslin & Majure Texas to NE. Mexico (to Veracruz)
Cochemiea dioica (K.Brandegee) Doweld S. California to NW. Mexico
Cochemiea estebanensis (G.E.Linds.) P.B.Breslin & Majure, Mexico (Island San Esteban)
Cochemiea fraileana (Britton & Rose) P.B.Breslin & Majure Mexico (Baja California Sur).
Cochemiea goodridgei (Scheer ex Salm-Dyck) P.B.Breslin & Majure Mexico (Baja California).
Cochemiea grahamii (Engelm.) Doweld SE. California to W. Texas and Mexico (Baja California Norte to Chihuahua)
Cochemiea guelzowiana (Werderm.) P.B.Breslin & Majure Mexico (Durango, Coahuila, Nuevo León)
Cochemiea halei (K.Brandegee) Walton Mexico (Baja California)
Cochemiea hutchisoniana (H.E.Gates) P.B.Breslin & Majure Mexico (Baja California)
Cochemiea insularis (H.E.Gates) P.B.Breslin & Majure Mexico (Baja California)
Cochemiea macdougallii (Alexander) P.B.Breslin & Majure Mexico (Oaxaca)
Cochemiea mainiae (K.Brandegee) P.B.Breslin & Majure S. Arizona to NW. Mexico
Cochemiea maritima H.E.Gates ex. Shurly Mexico (W. Central Baja California)
Cochemiea multidigitata (Radley & G.E.Linds.) P.B.Breslin Mexico (Sonora).
Cochemiea palmeri (J.M.Coult.) P.B.Breslin & Majure Mexico (Baja California)
Cochemiea phitauiana (E.M.Baxter) Doweld Mexico (Baja California).
Cochemiea pondii Walton Mexico (Island Cedros)
Cochemiea poselgeri (Hildm.) Britton & Rose Mexico (Baja California Sur)
Cochemiea saboae (Glass) Doweld Mexico (E. Sonora, W. Chihuahua)
Cochemiea schumannii (Hildm.) P.B.Breslin & Majure Mexico (Baja California Sur).
Cochemiea setispina Walton Mexico (C. Baja California).
Cochemiea tetrancistra (Engelm.) P.B.Breslin & Majure SW. U.S.A. to NW. Mexico
Cochemiea theresae (Cutak) Doweld Mexico (Durango, Zacatecas).
Cochemiea thomasii García-Mor. & al. Mexico (Sinaloa)
Cochemiea thornberi (Orcutt) P.B.Breslin & Majure S. Arizona to Mexico (Sonora).
Cochemiea viridiflora (Britton & Rose) P.B.Breslin & Majure Arizona to SW. New Mexico.
Cochemiea wrightii (Engelm.) Doweld E. Arizona to W. Texas and N. Mexico.

References[edit]

  1. ^ "Cochemiea (K.Brandegee) Walton", The International Plant Names Index, retrieved 2022-03-05
  2. ^ a b "Cochemiea (K.Brandegee) Walton", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2022-03-05
  3. ^ a b c Breslin, Peter B.; Wojciechowski, Martin F. & Majure, Lucas C. (2021), "Molecular phylogeny of the Mammilloid clade (Cactaceae) resolves the monophyly of Mammillaria", Taxon, 70 (2): 308–323, doi:10.1002/tax.12451, S2CID 233885318
  4. ^ Goettsch, Bárbara; Hilton-Taylor, Craig; Cruz-Piñón, Gabriela; Duffy, James P.; Frances, Anne; Hernández, Héctor M.; Inger, Richard; Pollock, Caroline; Schipper, Jan; Superina, Mariella; Taylor, Nigel P.; Tognelli, Marcelo; Abba, Agustín M.; Arias, Salvador; Arreola-Nava, Hilda J. (2015-10-05). "High proportion of cactus species threatened with extinction". Nature Plants. 1 (10): 1–7. doi:10.1038/nplants.2015.142. hdl:11336/11280. ISSN 2055-0278.