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Asclepias quadrifolia

Common Name(s):

Previously known as:

  • Asclepias vanilla
Phonetic Spelling
as-KLEE-pee-as kwad-ree-FOH-lee-uh
This plant has medium severity poison characteristics.
See below
Description

Erect, perennial herbs with milky juice; Whorls of 4 leaves at middle of stem; upper leaves are paired; thin, egg to lance-shaped; 2-6 in. long; 1-4 domed, umbrella-like clusters of pink, lavender, or white flowers; pale pink corolla lobes and white hoods, 5-parted; fruit dry and inflated, erect, and with many hair-tufted seeds

Site: Edge of woods, roadsides

Found in: Weedy in disturbed areas, native or naturalized in waste places, roadsides, fields; landscape in flower gardens as herbaceous perennials

See this plant in the following landscape:
Cultivars / Varieties:
Tags:
#poisonous#problem for cats#problem for dogs#problem for horses
 
Cultivars / Varieties:
Tags:
#poisonous#problem for cats#problem for dogs#problem for horses
  • Attributes:
    Genus:
    Asclepias
    Species:
    quadrifolia
    Family:
    Apocynaceae
    Life Cycle:
    Perennial
    Country Or Region Of Origin:
    SE. Canada to N. Central & E. U.S.A.
  • Whole Plant Traits:
    Plant Type:
    Herbaceous Perennial
    Poisonous
    Wildflower
    Habit/Form:
    Erect
  • Fruit:
    Fruit Type:
    Capsule
    Fruit Description:
    fruit dry and inflated, erect, and with many hair-tufted seeds
  • Flowers:
    Flower Color:
    Pink
    Purple/Lavender
    White
    Flower Inflorescence:
    Umbel
    Flower Bloom Time:
    Summer
    Flower Petals:
    4-5 petals/rays
    Flower Description:
    1-4 domed, umbrella-like clusters of pink, lavender, or white flowers; pale pink corolla lobes and white hoods
  • Leaves:
    Leaf Color:
    Green
    Leaf Arrangement:
    Whorled
    Leaf Shape:
    Lanceolate
    Ovate
    Hairs Present:
    No
    Leaf Length:
    3-6 inches
    Leaf Description:
    Whorls of 4 leaves at middle of stem; upper leaves are paired; thin, egg to lance-shaped; 2-6 in. long
  • Stem:
    Stem Is Aromatic:
    No
  • Landscape:
    Landscape Location:
    Naturalized Area
    Problems:
    Poisonous to Humans
    Problem for Cats
    Problem for Dogs
    Problem for Horses
  • Poisonous to Humans:
    Poison Severity:
    Medium
    Poison Symptoms:
    TOXIC ONLY IF LARGE QUANTITIES EATEN. Vomiting, stupor, weakness, spasms
    Poison Toxic Principle:
    Cardiac glycosides and resinoids
    Causes Contact Dermatitis:
    No
    Poison Part:
    Bark
    Flowers
    Fruits
    Leaves
    Roots
    Seeds
    Stems