Biology:Cochemiea

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Short description: Genus of cactus

Cochemiea
Ortegocactus macdougallii 01.jpg
Cochemiea macdougallii
Scientific classification e
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]

Taxonomy

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

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
Mammillaria albicans pm.jpg Cochemiea albicans (Britton & Rose) P.B.Breslin & Majure Mexico (Baja California)
Cochemiea angelensis (R.T.Craig) P.B.Breslin & Majure Mexico
Mammillaria armillata (2).jpg Cochemiea armillata (K.Brandegee) P.B.Breslin & Majure Mexico (Baja California Sur)
MammillariaBarbata BotGart-Valencia 20191130.jpg Cochemiea barbata (Engelm.) Doweld Mexico (Chihuahua, Durango)
Mammillaria blossfeldiana.jpg Cochemiea blossfeldiana (Boed.) P.B.Breslin & Majure Mexico (Guadalupe, Baja California)
Mammillaria boolii (9327469039).jpg Cochemiea boolii (G.E.Linds.) P.B.Breslin & Majure, Mexico (Sonora)
Cochemiea bullardiana (H.E.Gates) P.B.Breslin & Majure, Mexico (Baja California)
Mammillaria capensis.jpg Cochemiea capensis (H.E.Gates) Doweld Mexico (Baja California Sur, Sonora)
Cochemiea cerralboa (Britton & Rose) P.B.Breslin & Majure Mexico (Baja Carlifornia Sur).
Neolloydia conoidea flor.jpg Cochemiea conoidea (DC.) P.B.Breslin & Majure Texas to NE. Mexico (to Veracruz)
Mammillariadioica.jpg Cochemiea dioica (K.Brandegee) Doweld S. California to NW. Mexico
Cochemiea estebanensis (G.E.Linds.) P.B.Breslin & Majure, Mexico (Island San Esteban)
Mammillaria-fraileana HBG 59973 Jun PICT2757.jpg 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).
Mammilaria grahamii.jpg Cochemiea grahamii (Engelm.) Doweld SE. California to W. Texas and Mexico (Baja California Norte to Chihuahua)
Mammillaria guelzowiana.jpg Cochemiea guelzowiana (Werderm.) P.B.Breslin & Majure Mexico (Durango, Coahuila, Nuevo León)
Mammillaria (Cochemia) halei.jpg Cochemiea halei (K.Brandegee) Walton Mexico (Baja California)
Succu Mammillaria hutchisoniana 01.jpg Cochemiea hutchisoniana (H.E.Gates) P.B.Breslin & Majure Mexico (Baja California)
Mammillaria insularis1.jpg Cochemiea insularis (H.E.Gates) P.B.Breslin & Majure Mexico (Baja California)
Ortegocactus macdougallii 01.jpg Cochemiea macdougallii (Alexander) P.B.Breslin & Majure Mexico (Oaxaca)
Mammillaria mainiae.jpg Cochemiea mainiae (K.Brandegee) P.B.Breslin & Majure S. Arizona to NW. Mexico
Mammillaria (Cochemia) maritima.jpg Cochemiea maritima H.E.Gates ex. Shurly Mexico (W. Central Baja California)
Mammillaria multidigitata 13951.jpg Cochemiea multidigitata (Radley & G.E.Linds.) P.B.Breslin Mexico (Sonora).
Mammillaria neopalmeri.jpg Cochemiea palmeri (J.M.Coult.) P.B.Breslin & Majure Mexico (Baja California)
Mammillaria phitauiana (5762289290).jpg Cochemiea phitauiana (E.M.Baxter) Doweld Mexico (Baja California).
Cochemiea pondii Walton Mexico (Island Cedros)
Mammillaria poselgeri.jpg Cochemiea poselgeri (Hildm.) Britton & Rose Mexico (Baja California Sur)
Mammillaria saboae subsp. roczekii.jpg Cochemiea saboae (Glass) Doweld Mexico (E. Sonora, W. Chihuahua)
Succu Mammillaria schumannii 01.jpg Cochemiea schumannii (Hildm.) P.B.Breslin & Majure Mexico (Baja California Sur).
Mammillaria (Cochemia) setispina.jpg Cochemiea setispina Walton Mexico (C. Baja California).
Mammillaria tetrancistra 6.jpg Cochemiea tetrancistra (Engelm.) P.B.Breslin & Majure SW. U.S.A. to NW. Mexico
Mammillaria theresae, Coneto Pass, DGO..jpg Cochemiea theresae (Cutak) Doweld Mexico (Durango, Zacatecas).
Cochemiea thomasii García-Mor. & al. Mexico (Sinaloa)
Mammillaria thornberi subsp. yaquensis.jpg 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.
Mammillaria meridiorosei (8701319434).jpg Cochemiea wrightii (Engelm.) Doweld E. Arizona to W. Texas and N. Mexico.

References

  1. "Cochemiea (K.Brandegee) Walton", The International Plant Names Index, https://www.ipni.org/n/1154805-2, retrieved 2022-03-05 
  2. 2.0 2.1 "Cochemiea (K.Brandegee) Walton", Plants of the World Online (Royal Botanic Gardens, Kew), https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:1154805-2, retrieved 2022-03-05 
  3. 3.0 3.1 3.2 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 

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