2020 Bob Sweatt 2019 Bob Sweatt 2020 Bob Sweatt 2020 Bob Sweatt 2022 Bob Steele 1991 Gary A. Monroe 1990 Arthur H. Bazell, M.D. 2015 Mary Merriman 2022 Richard Sullivan 2022 Richard Sullivan 2008 Steve Matson 2008 Steve Matson 2008 Steve Matson 2019 Jane Cohn 2008 Aaron Schusteff
Lewisia pygmaea is a perennial herb that is native to California, and also found elsewhere in western North America.
[Wikipedia] Description, Range, Habitat: Lewisia pygmaea is a species of flowering plant in the family Montiaceae known by the common name alpine lewisia and pygmy bitterroot. It is native to western North America from Alaska and Alberta to California and New Mexico, where it grows in many types of moist, rocky mountain habitat, such as gravel beds and sandy meadows.
Lewisia pygmaea is a highly variable species with a wide distribution, and it often hybridizes with other Lewisia species, making identification difficult. In general, this is a petite perennial herb growing from a taproot and caudex unit, and producing a basal rosette of several leaves 2 to 8 centimeters long. The leaves are narrow but thick and fleshy, blunt-tipped, and linear to lance-shaped. The inflorescence is usually made up of a few very short stems each bearing one or more flowers which appear to be sitting on or within the basal leaf rosette. Each flower has 5 to 9 white, pink or red petals which may or may not have dark veining or striping. The petals are 4 millimeters to 1 centimeter long.
Habitat and Range
Lewisia pygmaea grows in open areas with short turf and in gravelly or rocky soils. It can be found naturally growing in Alta., B.C., Yukon; Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo. (contributed by Mary Ann Machi)
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Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2023. Berkeley, California:The Calflora Database
[a non-profit organization].Available: