Tetrachyron omissum y Trigonospermum alexandri, dos especies nuevas de Compositae-heliantheae del centro de México

Tetrachyron omissum and Trigonospermum alexandri are illustrated and described as new species. The first grows in northeastern Querétaro and is related to T. websteri (Wussow & Urbatsch) B. L. Turner. The second is an aquatic or subaquatic plant known only from two pools in the vicinity of t...

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Detalles Bibliográficos
Autores principales: Rzedowski, Jerzy, Calderón de Rzedowski, Graciela, Pérez-Calix, Emmanuel
Formato: Online
Lenguaje:spa
Publicado: Instituto de Ecología, A.C. 2008
Acceso en línea:https://abm.ojs.inecol.mx/index.php/abm/article/view/1063
Descripción
Sumario:Tetrachyron omissum and Trigonospermum alexandri are illustrated and described as new species. The first grows in northeastern Querétaro and is related to T. websteri (Wussow & Urbatsch) B. L. Turner. The second is an aquatic or subaquatic plant known only from two pools in the vicinity of the town of Santa Clara del Cobre in northern Michoacán. It is possibly related to T. adenostemoides Less.