Asclepias quadrifolia

Asclepias quadrifolia whorled milkweed

Plant grows in the wild/spontaneouslyPlant is native to PA Add to MyPlants

Frequent in dry upland woods.  Prefers sun to part shade, dry to medium-moisture well-drained soils.

Present in most counties in the state. See distribution map at BONAP.

Wetland code: Not classified

Flowers late May to June.

Inflorescence  1 or 2 terminal, multi-flowered umbels

Flowers  5-parted crown: 5 downwardly reflexed white to pale pink petals supporting 5 white (or pinkish) incurved vertical horns sticking out from cylindrical hoods, shorter column(containing stamens and carpels) in the center

Leaves  in whorls of 3 or 4 at middle nodes, smaller and fewer leaves above and below; lance-ovate; thin

Stems  erect, unbranched, up to 2.5 feet long

Height  1 to 2.5 feet

S-rank:  S5 (Secure)
G-rank:  G5 (Secure)

Asclepias quadrifolia whorled milkweed

Plant grows in the wild/spontaneouslyPlant is native to PA
Asclepias quadrifolia gallery
Plant Life-Form
perennial forb
Common Names
whorled milkweed fourleaf milkweed