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Plant Profile  
FYUSE 3d Image

Common Name: Slimleaf Scurfpea

Other Names: Slimflower Scurfpea, Wild Alfalfa, Gray Scurfpea, Prairie Turnip

Species Name: Psoralidium tenuiflorum

Plant Type: Legume

Family Name: Fabaceae, Pea Family





Plant Facts  
Origin Native
Duration Perennial
Distribution in the U.S. Canada south to Texas, New Mexico, Arizona and from Illinois and Wisconsin westward to Utah and Idaho
Distribution in Oklahoma Throughout the state



ID Characteristics

  • Field Identification Characteristics


    • Elongate stems with fuzzy hairs
    • Unbranched below, highly branched above
    • 3 leaflets per leaf
    • Leaves may look “waxy”


    • Flowers light blue, purple or rarely white
  • Leaf and Stem Characteristics
    • Leaf Type: Compound, 1-pinnately 
    • Leaf Arrangement: Alternate 
    • Leaf Shape: Oblanceolate or elliptic
    • Stipules: Present
  • Floral Characteristics
    • Petal Number: 5, fused
    • Flower Color: Light blue, purple or rarely white 
    • Flower Timing: June-September
    • Fruit Type: Legumes



Soil Type Various
Habitat Prairies and open woodlands
Successional Stage Late


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