Echinocereus arizonicus subsp. arizonicus

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Echinocereus arizonicus subsp. arizonicus

Echinocereus arizonicus subsp. arizonicus sec. Baker 20061
    • 1. Baker, M. A. 2006: Circumscription of Echinocereus arizonicus subsp. arizonicus: Phenetic analysis of morphological characters in section Triglochidiatus (Cactaceae), part II. – Madroño 4: 388-99
    • =Echinocereus arizonicus subsp. oldachiorum W.Blum & P.B.Breslin in Echinocereenfreund Sonderausg. 31: 371. 2018 syn. sec. Sánchez 20212
    • 2. Sánchez, D. 2021: Revision of Echinocereus – In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51(2): 250-270. http://doi.org/10.3372/wi.51.51208

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    Notes

    Blum & Breslin (2018) described the new new subspcies E. arizonicus subsp. oldachiorum. The authors mention that this new taxon has a shorter seed length, but there are no statistical tests or any other evidence to support this taxon as distinct. The number of ribs and spines, as well as the spine length are shared with the typical E. arizonicus.A

    Bibliography

    A. Sánchez, D. 2021: Revision of Echinocereus – In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51(2): 250-270. http://doi.org/10.3372/wi.51.51208