Rzedowski, Jerzy; Calderon De Rzedowski, Gaciela
September 1988
Acta Botanica Mexicana;sep1988, Issue 3, p1
Academic Journal
Three Mexican species of Stachys are described as new: S. herrerana, from the state of Hidalgo, as well as S. langmaniae and S. vulnerabilis, from Nuevo Le�n. S. herrerana seems to be similar to S. venulosa Greene, known from Durango, while S. langmaniae and S. vulnerabilis are perhaps related to each other, but their affinities with other species are obscure.


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