A new species of Mimulus endemic to copper mines in California
1989
MACNAIR, MARK R.
MACNAIR, M. R., 1989. A new species of Mimulus endemic to copper mines in California. The distribution and morphology of Mimulus cupriphilus, a new species restricted to two small copper mines in Calaveras County, California, is described. A comparison of flowers collected in the wild of M. guttatus and the new taxon shows that they differ considerably. These two species and three other species from the M. guttatus complex, M. nasutus, M. laciniatus and M. nudatus were grown in a glasshouse and compared. The five species were all clearly distinct. The distribution of M. cupriphilus is consistent with it having evolved comparatively recently on one or both of the two copper mines on which it is found.
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