Wiktionary
yampah
n. Any of the genus (taxlink Perideridia genus noshow=1) of plants in the parsley family, native to western North America, with umbels of white flowers, especially (taxlink Perideridia gairdneri species noshow=1), which has an edible root.
Usage examples of "yampah".
Father was not the only one who had a friend or two in Yampah and up the range.
Veteran troopers of the old regiment were scouting there for gold and silver, where ten years earlier they had scouted for the red warriors of Colorow and Yampah Jack.