Sulfur cinquefoil (Potentilla recta)



  • Sulfur Cinquefoil Plant 215x150

Category A Weed

Rose family (Rosaceae)

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Stem

  • 1-2 ft. tall, stout, covered with hairs and usually unbranched below flowers; sometimes many arise from crown

    Leaves

    • Alternate; palmate-compound with 5-7 leaflets; rough, hairy, 1-4 in. long with toothed edges (margins)

      Flower

      • 0.5-1 in. wide, each on a short stalk; 5 pale-yellow petals with a notch at tip surround a yellow center

        Root

        • Woody taproot with short branch roots

          Other

          • Often infests rangeland, pastures, roadsides and waste areas; known to occur in Elko, Humboldt and Lyon counties

          • Perennial; reproduces by seed

            Control

            • Hand-digging individual plants can be effective for small infestations; cultivation can also be effective; mowing does NOT control established plants

            • Apply aminopyralid in the pre-bud stage; picloram to actively growing plants in spring or fall

              Images

              Sulfur Cinquefoil Plant 215x150
              Mature plant
              Sulfur Cinquefoil Seedling 215x150
              Seedling
              Sulfur Cinquefoil Flower 215x150
              Flower
              Sulfur Cinquefoil Leaf Stem 215x150
              Stem
              Sulfur Cinquefoil Leaf 215x150
              Leaf
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