Rock Fringe

Twenty Lakes Basin, Hoover Wilderness, California, July 2016

  • Epilobium obcordatum A. Gray
  • Rockfringe
  • Onagraceae (Evening-Primrose Family)
  • Synonym(s):
  • USDA Symbol: EPOB
  • USDA Native Status: L48 (N)

A low, clumped, mat-forming perennial with 2-6 in. creeping stems. A matted plant with a short creeping stem and, in upper leaf axils, deep pink flowers seemingly too large for plant and often hiding foliage. These stems, with willow-like leaves, are smothered with showy, four-petaled, rose-purple flowers from mid- to late-summer.

Most Epilobium species are tall, but this, like many other alpine plants, is low and compact, which protects it from the drying mountain winds and freezing temperatures.

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