[The Parsley Family in Mt. Adams Country]

Common Yampah, Gairdner's Yampah, Gardner's Yampah, Western False Caraway

Perideridia montana

Synonyms: Atenia montana, Carum garrettii, Carum montanum, Perideridia gairdneri, Perideridia gairdneri ssp. borealis, Perideridia gairdneri var. montana

Inflorescence of Common Yampah, Gairdner's Yampah, Gardner's Yampah, Western False Caraway: Perideridia montana (Synonyms: Atenia montana, Carum garrettii, Carum montanum, Perideridia gairdneri, Perideridia gairdneri ssp. borealis, Perideridia gairdneri var. montana)

The photo above shows a top view of the flattened inflorescence of common yampah as seen at a dry creek along Road K1000 near the Klickitat-Yakima County line.........July 28, 2006.

Closeup sideview of the inflorescence ofCommon Yampah, Gairdner's Yampah, Gardner's Yampah, Western False Caraway: Perideridia montana (Synonyms: Atenia montana, Carum garrettii, Carum montanum, Perideridia gairdneri, Perideridia gairdneri ssp. borealis, Perideridia gairdneri var. montana)

A somewhat out of focus, sideview of the umbel of common yampah. Note the narrow bracts at the base of the umbel. Photographed at a dry creek along Road K1000 near the Klickitat-Yakima County line..........July 28, 2006.

Fruits of Common Yampah, Gairdner's Yampah, Gardner's Yampah, Western False Caraway: Perideridia montana (Synonyms: Atenia montana, Carum garrettii, Carum montanum, Perideridia gairdneri, Perideridia gairdneri ssp. borealis, Perideridia gairdneri var. montana)

The photo above shows a single umbelet of common yampah. Note the rounded fruits which are wide in one cross-section and narrow in the plane perpendicular to the first. Photographed along Lakeside Road in Conboy National Wildlife Refuge........September 8, 2007.

Basal leaf of Common Yampah, Gairdner's Yampah, Gardner's Yampah, Western False Caraway: Perideridia montana (Synonyms: Atenia montana, Carum garrettii, Carum montanum, Perideridia gairdneri, Perideridia gairdneri ssp. borealis, Perideridia gairdneri var. montana)

Close-up view of the basal leaf of Gairdner's yampah as seen in moist riparian or seep areas that dry by late spring on the Labyrinth, mid-Columbia River Gorge..........April 15, 2010. The basal leaves have often dried and disappeared by the time the plants flower in early summer.

Paul Slichter