El género Gentianopsis (gentianaceae) En México

Abstract

The genus Gentianopsis (Gentianaceae) is
distributed in temperate and cold regions
of the Northern Hemisphere. In Mexico
there is one species with two varieties,
one endemic and the other reaching the
southwestern United States. The two
varieties are presented as new nomenclatural
combinations:Gentianopsis detonsa (Rottb.)
Ma var. lanceolata (Benth.) Villarreal
et A.E. Estrada y G.d. (Rottb.) Ma var.
superba (Greene) Villarreal & A.E. Estrada.
A synopsis of the genus is given; it includes
keys to identify the taxa, descriptions, and
ecological and distributional information.