Geum triflorum, prairie smoke, three-flowered avens, or old man's whiskers, is a spring-blooming perennial herbaceous plant of North America from northern Canada to California and east to New York. The flowers bloom from mid-spring to early summer.
Prairie smoke has pinnately divided leaves with 7–17 primary leaflets; there are also a few smaller secondary leaflets inserted between some of the primary leaflets. They are arranged in a rosette at ground level and are semi-evergreen: some basal leaves ...