Two new combinations within the genus Portulaca are proposed. A study of the morphology, geography, and chromosome number indicates that P. coronata Small and P. lanceolata Engelm. in Gray are best treated as subspecies of P. umbraticola Kunth.
Two new combinations within the genus Portulaca are proposed. A study of the morphology, geography, and chromosome number indicates that P. coronata Small and P. lanceolata Engelm. in Gray are best treated as subspecies of P. umbraticola Kunth.