Brickellia jimenezii (Asteraceae, Eupatorieae), a New Species from Guerrero, Mexico

Abstract

The new speciea Brickellia jinenezii Hinojosa & Cruz Duran (Asteraceae, Eupoatoricae) is described from Guerrero, Mexico. It belongs to the Barroetea A. Gray complex within Brickellia and is similar to B. subuligera (Schauer) B. I,. Turner. The new species presents heads with more florets ([45 to]74. to 106 vs. 30 to 50 in B. subuligera), larger style launches and anthers (to 3.7 mm and 2.1 min, respectively, vs. to 2 mm and to 1.3 111111, respectively, in B. subligera), as well as cypselae with four well-defined ribs On each face (vs. 1101111 or two on the exterior face and none or one on the interior face in B. subligera). A key to this species complex and an illustration of the new species are provided.