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Plant Profile  
FYUSE 3d Image

Common Name: Trailing Wildbean

Other Names: Amberique Bean, Trailing Fuzzybean

Species Name: Strophostyles helvula

Plant Type: Legume

Family Name: Fabaceae, Pea Family





Plant Facts  
Origin Native
Duration Annual
Distribution in the U.S. Eastern half of the country
Distribution in Oklahoma Eastern two-thirds of the state



ID Characteristics

  • Field Identification Characteristics


    • Trailing, twining fuzzy stems
    • 3 leaflets per leaf; leaflets broad and triangular; can be lobed


    • Seed pods narrow and elongated; curl in twisted spirals after opening
    • Flowers stem branches from where leaves attached to stem
    • Flower heads small; purple in color
  • Leaf and Stem Characteristics
    • Leaf Type: Compound, 1-pinnately 
    • Leaf Arrangement: Alternate 
    • Leaf Shape: Ovate or Rhombic ovate
    • Stipules: Present
  • Floral Characteristics
    • Petal Number: 5, fused
    • Flower Color: Purplish or pink
    • Flower Timing: July-October
    • Fruit Type: Legumes



Soil Type Sandy soils
Habitat Woodlands, disturbed prairies, fence rows, roadsides and fallow fields
Successional Stage Mid to late


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