Abstract
Maesa rugosa C.B. Clarke is a tropical shrub belonging to the family Primulaceae. Despite its prevalent distribution and morphological variation, the infraspecific taxonomy of M. rugosa remains unclear. The present study reevaluates the infraspecific classification of M. rugosa based on a comprehensive analysis of the morphological characters. Our study results in reorganizing three infraspecific taxa including one new variety and one new combination. We also provide an update on the typification of two names M. rugosa C.B. Clarke and M. rugosa var. griffithii C.B. Clarke following Articles 9.2 and 9.17 of the ICN code.
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