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 ...
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* Tota la informació es basa en investigacions científiques publicades