[The Oxalis Family in the Columbia River Gorge of Oregon and Washington]
Oregon Wood Sorrel, Oregon Wood-sorrel, Redwood Sorrel, Redwood-sorrel, Sour Grass, Western Wood-sorrel

Oxalis oregana

Synonyms: Oxalis acetosella ssp. oregana, Oxalis oregana var. oregana, Oxalis oregana var. smallii

Trifoliate leaf of Oregon Wood Sorrel, Oregon Wood-sorrel, Redwood Sorrel, Redwood-sorrel, Sour Grass, Western Wood-sorrel: Oxalis oregana (Synonyms: Oxalis oregana var. oregana, Oxalis oregana var. smallii)

Oregon Wood Sorrel, Oregon Wood-sorrel, Redwood Sorrel, Redwood-sorrel, Sour Grass, Western Wood-sorrel: Oxalis oregana (Synonyms: Oxalis oregana var. oregana, Oxalis oregana var. smallii) -- Oregon Wood Sorrel, Oregon Wood-sorrel, Redwood Sorrel, Redwood-sorrel, Sour Grass, Western Wood-sorrel: Oxalis oregana (Synonyms: Oxalis oregana var. oregana, Oxalis oregana var. smallii)

Close-ups of the flowers and leaves of Oregon wood sorrel as seen along the Angels Rest Trail in the Columbia River Gorge...............May 18, 2009.

Petals and sepals of Oregon Wood Sorrel, Oregon Wood-sorrel, Redwood Sorrel, Redwood-sorrel, Sour Grass, Western Wood-sorrel: Oxalis oregana (Synonyms: Oxalis oregana var. oregana, Oxalis oregana var. smallii) -- Oregon Wood Sorrel, Oregon Wood-sorrel, Redwood Sorrel, Redwood-sorrel, Sour Grass, Western Wood-sorrel: Oxalis oregana (Synonyms: Oxalis oregana var. oregana, Oxalis oregana var. smallii)

Close-ups of the flowers and leaves of Oregon wood sorrel as seen along the Angels Rest Trail in the Columbia River Gorge...............May 18, 2009.

Paul Slichter