Pedicularis rainierensis is a species of flowering plant in the family Orobanchaceae commonly known as Mount Rainier lousewort. It is endemic to the vicinity of Mount Rainier in Washington state.
The Mount Rainier lousewort has a imperiled status.[1]
Pedicularis rainierensis is a fibrous-rooted, perennial herb that is 1.5-4 decimeters long. The basal leaves are numerous, 5-15 centimeters long and up to 3 centimeters wide. The fruits' capsules are hairless, flattened, and often slighted winged. The flowers have a spikelike raceme topping an unbranched stem. The corolla is yellowish in color, about 1.5 centimeters long, and 2-lipped.[2] [3]