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Rockfringe
Epilobium obcordatum
  
About Rockfringe (Epilobium obcordatum) 0 Nurseries Carry This Plant Epilobium obcordatum is a species of willowherb known by the common name Rockfringe Willowherb. It is native to the western United States from California to Idaho, where it is found in rocky mountainous areas. This small perennial is clumpy to mat-forming and spreads from a woody caudex, especially in nooks between rocks. It has stems lined with oval or rounded leaves which spread parallel to the ground or ascend somewhat. At the tips of the thin stems are flowers each with four petals. The petals are magenta to purple, rounded and notched, often in a perfect heart shape, and are one or two centimeters long. The hairy, club-like, ridged fruit is a capsule two to four centimeters long growing on a short stalk.
Plant Description
Plant Type
Plant Type
Perennial herb

Size
Size
6 in tall

Flower Color
Flower Color
Purple

Wildlife Supported
 


Landscaping Information
Sun
Sun
Part Shade

Common uses
Common uses
Bird Gardens, Hummingbird Gardens

Sunset Zones
Sunset Zones?
1, 2, 4, 5, 6, 7, 14, 15, 16, 17

Natural Setting
Site Type
Site Type
Rocky places

Climate
Climate
Annual Precipitation: 8.6" - 115.4", Summer Precipitation: 0.35" - 4.03", Coldest Month: 17.9" - 42.0", Hottest Month: 38.4" - 77.4", Humidity: 0.97" - 25.87", Elevation: 960" - 14460"

Alternative Names
Common Names: Heart Willowherb, Heart Willowweed, Rockfringe Willowherb


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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