on open, grassy, undulating plain in basin along & below eastern Madrean escarpment, among diverse grasses and forbs on coarse volcanic alluvium. Trifoliate leaves are distinctive.
on old graded roadside pullout of volcanic tuffaceous fill above Rio Papigochic tributary with Desmodium batocaulon, Guardiola arguta, Acmispon oroboides. Note: yellow flowering sport with normal orange ones.
yellow flowering sport. Plants on old graded roadside pullout of volcanic tuffaceous fill above Rio Papigochic tributary with Desmodium batocaulon, Guardiola arguta, Acmispon oroboides.
yellow flowering sport. Plants on old graded roadside pullout of volcanic tuffaceous fill above Rio Papigochic tributary with Desmodium batocaulon, Guardiola arguta, Acmispon oroboides.
