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...

Disgrifiad llawn

Manylion Llyfryddiaeth
Prif Awduron: Rzedowski, Jerzy, Calderón de Rzedowski, Graciela, Pérez-Calix, Emmanuel
Fformat: Online
Iaith:spa
Cyhoeddwyd: Instituto de Ecología, A.C. 2008
Mynediad Ar-lein:https://abm.ojs.inecol.mx/index.php/abm/article/view/1063
Disgrifiad
Crynodeb: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.