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Alpine Lewisia
Lewisia pygmaea
About Alpine Lewisia (Lewisia pygmaea) 0 Nurseries Carry This Plant Lewisia pygmaea is a species of flowering plant in the purslane family 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. This 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 flower cluster 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 one centimeter long.
Plant Description
Plant Type
Plant Type
Perennial herb

0.8 - 3.1 in tall

Flower Color
Flower Color
Pink, White, Red

Landscaping Information
Part Shade

Soil Drainage
Soil Drainage

Natural Setting
Site Type
Site Type
Rocky slopes, wet granite sand or gravel, moist meadows, stream edges

Annual Precipitation: 16.8" - 70.3", Summer Precipitation: 0.46" - 2.91", Coldest Month: 17.5" - 49.5", Hottest Month: 36.3" - 74.4", Humidity: 0.62" - 22.31", Elevation: 2139" - 14243"

Alternative Names
Common Names: Pigmy Bitter Root, Pygmy Bitterroot

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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