Tag: Whorled Rosinweed

  • Lemon Yellow

    Whorled Rosinweed (Silphium asteriscus var. trifoliatum). A bright lemon yellow flower that is a herbaceous perennial. It grows to be four to six feet tall. Native to the eastern United States. Found growing along trails up here. This plant is a variety of Silphium asteriscus which has whorls of leaves of three or four along…