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Extension

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 
OriginNative
DurationPerennial
Distribution in the U.S.Canada south to Texas, New Mexico, Arizona and from Illinois and Wisconsin westward to Utah and Idaho
Distribution in OklahomaThroughout the state

ID Characteristics

  • Field Identification Characteristics

    Vegetative

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

    Floral

    • 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
Habitat/Ecology 
Soil TypeVarious
HabitatPrairies and open woodlands
Successional StageLate