Agave oteroi (Asparagaceae/Agavoideae) a New Species from North-Central Oaxaca, Mexico

doi:10.2985/015.091.0206

Cactus and Succulent Journal

2019

DOI: 10.2985/015.091.0206

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Agave oteroi (Asparagaceae/Agavoideae) a New Species from North-Central Oaxaca, Mexico

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Cited by 3 publications

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“…); six of the 30 sections in the subgenera Agave and Littaea (Thiede et al 2019) include 70 % of the newly described species: 10 in A. sect. Heteracanthae Salm-Dyck (Galván-Villanueva & Hernández-Sandoval 2002, Vázquez-García et al 2007a, González-Elizondo et al 2011), Hernández-Sandoval & Magallán-Hernández 2015, García-Mendoza et al 2019, Hernández-Vera et al 2019, Starr & Davis 2019, Starr 2020, followed by eight in A. sect. Juncineae Salm-Dyck (Zamudio-Ruiz & Sánchez-Martínez 1995, García-Mendoza & Martínez-Salas 1998, Carrillo-Reyes et al 2003, Cabral-Cordero et al 2007, Galván-Villanueva & Zamudio-Ruiz 2013, García-Mendoza & Chávez-Rendón 2013, Starr et al 2018, García-Morales et al 2019, seven in A. sect.…”

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confidence: 99%

Agave rosalesii (sect. Inermes , Asparagaceae), segregated from Agave ellemeetiana K. Koch (sect. Choritepalae ): a new species from the Mixteca Alta of western Oaxaca, Mexico

Vázquez-García

Thiede

Etter³

et al. 2022

Bot. Sci.

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Background: Agave ellemeetiana (A. sect. Choritepalae) features soft and “spineless” leaves and occurs in two disjunct and ecologically differentiated populations classified as subspecies. An incidental look at the flowers of A. ellemeetianassp. subdentata unveiled that these did not match those of A. ellemeetiana s. str. nor those of sect. Choritepalae. Questions: Do these disjunct populations differ in flower and fruit morphology? Do they belong to the same section within Agave? Hypotheses: The floral morphology of populations of Agave ellemeetiana ssp. subdentata from western Oaxaca places this species in A. sect. Inermes, and the set of qualitative and quantitative differences is sufficient to recognize it as a distinct species. Studied species: Agave ellemeetiana, Agave pedunculifera. Study site and dates: Putla District, western Oaxaca, December 2011 and April 2014. Methods: We conducted an alpha-taxonomic study of the Agave ellemeetiana species complex, involving two fieldwork expeditions, review of literature, online images, and herbarium specimens. Results: Differences in flower, fruit and vegetative morphology and habitat support the segregation of the populations (from the Putla District, Oaxaca) from the Agave ellemeetiana complex as a new species, A. rosalesii spec. nov. The presence of an evident corolla tube places the proposed taxon close to A. pedunculifera and within A. sect. Inermes. Conclusions: The populations from the Putla District are sufficiently distinct in their morphology and ecology to merit recognition as a new species, Agave rosalesii, placed in A. sect. Inermes. Translate stop Translate stop

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confidence: 99%

Agave rosalesii (sect. Inermes , Asparagaceae), segregated from Agave ellemeetiana K. Koch (sect. Choritepalae ): a new species from the Mixteca Alta of western Oaxaca, Mexico

Vázquez-García

Thiede

Etter³

et al. 2022

Bot. Sci.

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Agaves of Oaxaca: Part One Two Recently Described Species: Agave megalodonta and Agave quiotepecensis

Starr¹

2021

Cactus and Succulent Journal

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Uses, Knowledge and Extinction Risk Faced by Agave Species in Mexico

Alducin-Martínez

Mondragón

Jiménez-Barrón

et al. 2022

Plants

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We compiled an updated database of all Agave species found in Mexico and analyzed it with specific criteria according to their biological parameters to evaluate the conservation and knowledge status of each species. Analyzing the present status of all Agave species not only provides crucial information for each species, but also helps determine which ones require special protection, especially those which are heavily used or cultivated for the production of distilled beverages. We conducted an extensive literature review search and compiled the conservation status of each species using mainstream criteria by IUCN. The information gaps in the database indicate a lack of knowledge and research regarding specific Agave species and it validates the need to conduct more studies on this genus. In total, 168 Agave species were included in our study, from which 89 are in the subgenus Agave and 79 in the subgenus Littaea. Agave lurida and A. nizandensis, in the subgenus Agave and Littaea, respectively, are severely endangered, due to their endemism, lack of knowledge about pollinators and floral visitors, and their endangered status according to the IUCN Red List. Some species are at risk due to the loss of genetic diversity resulting from production practices (i.e., Agave tequilana), and others because of excessive and unchecked overharvesting of wild plants, such as A. guadalajarana, A. victoriae-reginae, A. kristenii, and others. Given the huge economic and ecological importance of plants in the genus Agave, our review will be a milestone to ensure their future and continued provision of ecosystem services for humans, as well as encouraging further research in Agave species in an effort to enhance awareness of their conservation needs and sustainable use, and the implementation of eco-friendly practices in the species management.

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Agave oteroi (Asparagaceae/Agavoideae) a New Species from North-Central Oaxaca, Mexico

Cited by 3 publications

References 3 publications

Agave rosalesii (sect. Inermes , Asparagaceae), segregated from Agave ellemeetiana K. Koch (sect. Choritepalae ): a new species from the Mixteca Alta of western Oaxaca, Mexico

Agave rosalesii (sect. Inermes , Asparagaceae), segregated from Agave ellemeetiana K. Koch (sect. Choritepalae ): a new species from the Mixteca Alta of western Oaxaca, Mexico

Agaves of Oaxaca: Part One Two Recently Described Species: Agave megalodonta and Agave quiotepecensis

Uses, Knowledge and Extinction Risk Faced by Agave Species in Mexico

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