Epilobium obcordatum

Epilobium obcordatum is a species of perennial plant in the evening-primrose family (Onagraceae), known by the common name rockfringe willowherb and rock fringe.[1] It is native to the western United States from California to Idaho, where it is found in rocky mountainous areas, at altitudes of 7,000 ft (2,100 m) to 13,000 ft (4,000 m).[2] 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 glandular, club-like, ridged fruit is a capsule two to four centimeters long growing on a short stalk.

Epilobium obcordatum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Onagraceae
Genus: Epilobium
Species:
E. obcordatum
Binomial name
Epilobium obcordatum
Rock fringe fringing granite, at 12,400 ft (3,800 m) near Forester Pass
E. obcordatum: flowers with 4 heart-shaped petals and small oval leaves

References
  1. Horn, Elizabeth L. (1998). Sierra Nevada Wildflowers. Mountain Press Publishing Company. ISBN 0878423885.
  2. Norman F. Weeden (1996). A Sierra Nevada Flora (4th ed.). Wilderness Press. ISBN 0-89997-204-7.


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