Flora of Eastern Washington and Adjacent Idaho
Eastern Washington University
Scientific Name Oenothera cespitosa Nutt. ssp. marginata (Nutt. ex Hook. & Arn.) Munz Family Onagraceae Common Names fragrant or desert evening primrose; rock-rose Eastern Washington Native Synonyms Conservation Status Rare: Washington State threatened; rank G5T3T5/S1; USFS and BLM sensitive. Notes Click on any image to enlarge it.
Binomial Name Clarkia quadrivulnera (Douglas) A. Nelson & J.F. Macbr. Family Onagraceae Common Names four-spot Eastern Washington Native Synonyms Conservation Status Notes Click on any image to enlarge it.
Scientific Name Chamaenerion angustifolium (L.) Scop. Family Onagraceae Common Names fireweed Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.
Scientific Name Clarkia gracilis (Piper) Nels. & J.F. Macbr. ssp. gracilis Family Onagraceae Common Names slender godetia Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.
Scientific Name Oenothera cespitosa Nutt. ssp. cespitosa Family Onagraceae Common Names fragrant or desert evening primrose; rock-rose, butte primrose Eastern Washington Native Conservation Status Notes These images are from specimens that seem to best fit ssp. cespitosa (var. “purpurea” form), however, the capsules are short pedicellate. Click on any image to enlarge it.
Scientific Name Gayophytum diffusum Torr. & Gray Family Onagraceae Common Names spreading groundsmoke Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.
Scientific Name Epilobium densiflorum (Lindl.) Hoch & Raven Family Onagraceae Common Names dense-flower willowherb Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.
Scientific Name Clarkia pulchella Pursh Family Onagraceae Common Names pinkfairies, deer horn, ragged robin Eastern Washington Native Synonyms None Conservation Status Notes Click on any image to enlarge it.
Scientific Name Epilobium campestre (Jeps.) Hoch & W.L. Wagner Family Onagraceae Common Names smooth willowherb Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.
Scientific Name Epilobium glandulosum Lehm. Family Onagraceae Common Names ciliate willowherb Eastern Washington Native Conservation Status Notes Click on any image to enlarge it.
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