Phemeranthus sediformis

About

Phemeranthus sediformis, commonly called Okanagan fameflower, is a species of flowering plant in the montia family Montiaceae. It is native to the Okanagan Highlands and Kettle River Range in north central Washington state, United States, and south central British Columbia, Canada. Populations are confined to elevations between 800 and 1,500 m on south to southwest facing rocky slopes, outcrops, and knolls. The first specimens were collected by John Jeffrey in 1851, but the species was not named until 1933–1934 when a series of three separate papers describing the plant were published. The species is one of Canada's most range-restricted plants. Despite the small native range, it transplants and adapts easily to gardens and has been part of rock garden and alpine garden seed catalogues for a number of years.

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