Common Yampah, Gairdner's Yampah, Gardner's Yampah, Mountain Yampah, Western False Caraway
Perideridia gairdneri ssp. borealis
Synonyms: Atenia montana, Carum garrettii, Carum montanum, Perideridia gairdneri, Perideridia gairdneri var. montana, Perideridia lemmonii, Perideridia 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.
Leaves of common yampah as seen at the Lacamas Prairie Natural Area Preserve in southeastern Clark County, Washington.........May 21, 2016.
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.
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.
Paul Slichter