Lewisia pygmaea Lewisia pygmaeaCommon name(s): Alpine Lewisia, Pygmy BitterrootFamily: MontiaceaeOrigin: Canada, USAMore infos: USDA zone 5.Categories: Succulents | Red & Pink Flowers |More species from the Montiaceae family (random selection) Claytonia perfoliata Pink purslane (Claytonia sibirica) Indian Lettuce, Miner’s Lettuce Claytonia sibirica Winter Purslane Lewisia cotyledon cv.