OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Asclepias quadrifolia   FAMILY Apocynaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Asclepias quadrifolia   FAMILY Asclepiadaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 157-01-009:

Asclepias quadrifolia   FAMILY Asclepiadaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Asclepias quadrifolia

 

COMMON NAME:
Fourleaf Milkweed


         To see larger pictures, click or hover over the thumbnails.

image of Asclepias quadrifolia, Fourleaf Milkweed

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_asqu_001_lvd

        

image of Asclepias quadrifolia, Fourleaf Milkweed

JK Marlow    jkm160422_066

April    Sevier County    TN

Great Smoky Mountains National Park

image of Asclepias quadrifolia, Fourleaf Milkweed

JK Marlow    jkm160422_068

April    Sevier County    TN

Great Smoky Mountains National Park

image of Asclepias quadrifolia, Fourleaf Milkweed

JK Marlow    jkm070526_052

May    Polk County    NC

A slender delicate plant with thin ovate-lanceolate leaves, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Asclepias quadrifolia, Fourleaf Milkweed

JK Marlow    jkm120505_329

May    Rabun County    GA

Chattahoochee National Forest

Upper and lower leaves opposite & small; middle usually a whorl of 4 & large, per Wildflowers of Tennessee (Carman, 2005).

image of Asclepias quadrifolia, Fourleaf Milkweed

JK Marlow    jkm120517_813

May    Yancey County    NC

Blue Ridge Parkway

Hood opening very oblique, the hood therefore scoop-shaped, per Weakley's Flora.

image of Asclepias quadrifolia, Fourleaf Milkweed

JK Marlow    jkm120517_818

May    Yancey County    NC

Blue Ridge Parkway

image of Asclepias quadrifolia, Fourleaf Milkweed

JK Marlow    jkm120517_836

May    Yancey County    NC

Blue Ridge Parkway

image of Asclepias quadrifolia, Fourleaf Milkweed

JK Marlow    jkm120517_842

May    Yancey County    NC

Blue Ridge Parkway

Leaves ovate or ovate-lanceolate to elliptic, 4-12cm long, membranous, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Asclepias quadrifolia, Fourleaf Milkweed

Richard and Teresa Ware    rtw_a_quadrifolia_6

May        

image of Asclepias quadrifolia, Fourleaf Milkweed

Richard and Teresa Ware    rtw_a_quadrifolia_8

May        

Corolla lobes reflexed; corona spreading, its horns shorter than its hoods, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Asclepias quadrifolia, Fourleaf Milkweed

Richard and Teresa Ware    rtw_asclepias_quadrifolia

May        

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Asclepias quadrifolia   FAMILY Apocynaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Asclepias quadrifolia   FAMILY Asclepiadaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 157-01-009:
Asclepias quadrifolia   FAMILY Asclepiadaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Asclepias quadrifolia

 

Find by SCIENTIFIC NAME:

136

Forb
Perennial

Habitat: Moist to dryish forests and forest margins, most common on mafic and calcareous substrates, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Mountains (uncommon in NC Piedmont, rare in SC Piedmont)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

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

LEAVES:
Simple
Upper and lower leaves opposite, middle 4 leaves appearing whorled
Leaves have petioles.

FLOWER:
Spring/Summer
Greenish/White/Pink
Radially symmetrical
5-merous
5-lobed corolla, lobes reflexed
Superior ovary
Bisexual

Flowers in 2-4 umbels, terminal or from upper leaf axils

FRUIT:
Summer/Fall
Follicle

 

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



 


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