August 12, 1805, at Lemhi Pass, Montana.

Showy, deep pink to red bilaterally symmetrical flowers bloom in profusion near the top of this leafy, several-stemmed plant. Flowers 1.3-2 in (3.1-5 cm) long. Leaves 1-4 in (2.5-10 cm) long, with toothed or plain edges, opposite. Height: 1-3 ft (0.3-0.9 m).

Wet open places in the mountains.

Western Canada; south to the southern Sierra Nevada in California and to the higher mountains of Utah, Wyoming, and Montana.