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Amphicarpum amphicarpon

Previously known as:

  • Amphicarpum purshii
Description

Pursh's blue maidencane is an annual grass in the Poaceae (grass) family.  It was named after botanist Frederick Pursh in 1950. 

It grows quite similar to peanuts, with the plant producing subterranean fruits early in the growing season and aerial fruits later in the growing season.  

It is found in sandy pine forests, wetlands, along the shores and rivers of the eastern United States.  

See this plant in the following landscape:
Cultivars / Varieties:
Tags:
#riparian#wetlands#native ornamental grass#FACW#wet soils tolerant#native
 
Cultivars / Varieties:
Tags:
#riparian#wetlands#native ornamental grass#FACW#wet soils tolerant#native
  • Attributes:
    Genus:
    Amphicarpum
    Species:
    amphicarpon
    Family:
    Poaceae
    Life Cycle:
    Annual
    Country Or Region Of Origin:
    Eastern U.S.A.
    Distribution:
    North America, northeastern USA and southeast
  • Whole Plant Traits:
    Plant Type:
    Annual
    Ornamental Grasses and Sedges
    Habit/Form:
    Ascending
    Erect
  • Cultural Conditions:
    Soil Texture:
    Sand
    Soil Drainage:
    Occasional Flooding
    Occasionally Wet
    NC Region:
    Coastal
    Piedmont
  • Fruit:
    Display/Harvest Time:
    Fall
    Summer
  • Flowers:
    Flower Inflorescence:
    Panicle
    Flower Bloom Time:
    Fall
    Summer
    Flower Description:
    Two types of flowers are produced by this plant. The aerial flowers produce conventional seeds, while underground self-fertile flowers produce underground seeds.
  • Leaves:
    Leaf Color:
    Green
    Leaf Type:
    Sheath
    Leaf Shape:
    Lanceolate
    Linear
    Hairs Present:
    Yes
    Leaf Length:
    > 6 inches
    Leaf Width:
    < 1 inch
    Leaf Description:
    Linear or lanceolate hairy leaves mostly basal.
  • Stem:
    Stem Is Aromatic:
    No
    Stem Surface:
    Hairy (pubescent)
  • Landscape:
    Landscape Location:
    Naturalized Area
    Pond
    Slope/Bank