Polystemma cualense (Apocynaceae), a new species from western Mexico

A NEW SPECIE FROM WESTERN MEXICO Polystemma cualense (Apocynaceae) By Dr. Cristobal Sánchez June 17, 2026 A newly discovered plant species, Polystemma cualense, has been described from the Sierra El Cuale in Jalisco, Mexico. Found during 2024 botanical expeditions for an oak conservation project, this perennial climbing plant increases the known number of Polystemma species […]