Native & Naturalized Plants of the Carolinas & Georgia


2882

Forb
Perennial

Native to the Carolinas & Georgia

Documented growing wild in GA NC SC

Common in GA-SC Coastal Plain (rare in NC))

Look for it in cypress-gum swamps, bottomland hardwood forests, marshes, per Weakley's Flora

map
To see a detailed map, click here

 

shade Aquatic ...Wet

DOES THE PLANT HAVE "MILKY SAP"?
Has milky sap (latex)

LEAVES:
Simple
Opposite
Leaves have petioles.

FLOWER:
Summer
White
Bisexual
Radially symmetrical
5-merous
5-lobed corolla, lobes reflexed
Superior ovary
Flowers in 2-4 umbels, from upper leaf axils or appearing terminal

FRUIT:
Summer/Fall
Follicle

 

TO LEARN MORE about this plant, look it up in a good book!



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales

WEAKLEY'S FLORA (2/8/20):
Asclepias perennis   FAMILY Apocynaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Asclepias perennis   FAMILY Asclepiadaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 157-01-002:
Asclepias perennis   FAMILY Asclepiadaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933)
Asclepias perennis

 

COMMON NAME:
Swamp Milkweed, Swampforest Milkweed, Swamp White Milkweed, Aquatic Milkweed


Click or hover over the thumbnails to see larger pictures.

image of Asclepias perennis, Swamp Milkweed, Swampforest Milkweed, Swamp White Milkweed, Aquatic Milkweed

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_aspe_001_lvd

        

image of Asclepias perennis, Swamp Milkweed, Swampforest Milkweed, Swamp White Milkweed, Aquatic Milkweed

John B. Nelson    jbn_5745134374_99a0cca6bf

May        

Flowers in 1-2" wide axillary umbels, hoods with prominent protruding horns, per Atlantic Coastal Plain Wildflowers.

image of Asclepias perennis, Swamp Milkweed, Swampforest Milkweed, Swamp White Milkweed, Aquatic Milkweed

JK Marlow    jkm190702_9698

July    Greenville County    SC

In cultivation

image of Asclepias perennis, Swamp Milkweed, Swampforest Milkweed, Swamp White Milkweed, Aquatic Milkweed

JK Marlow    jkm190702_9700

July    Greenville County    SC

In cultivation

image of Asclepias perennis, Swamp Milkweed, Swampforest Milkweed, Swamp White Milkweed, Aquatic Milkweed

JK Marlow    jkm190702_9701

July    Greenville County    SC

In cultivation

The 12-24" stems are conspicuously leafy, per Atlantic Coastal Plain Wildflowers.

image of Asclepias perennis, Swamp Milkweed, Swampforest Milkweed, Swamp White Milkweed, Aquatic Milkweed

JK Marlow    jkm190702_9702

July    Greenville County    SC

In cultivation

Leaves elliptic to lanceolate, 6-12cm long, 1-3cm wide, per Vascular Flora of the Carolinas.