OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Magnoliids: Piperales

WEAKLEY'S FLORA (5/21/15):
Isotrema macrophyllum   FAMILY Aristolochiaceae


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Aristolochia macrophylla   FAMILY Aristolochiaceae

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Tennessee Flora Committee (2015)
Isotrema macrophylla

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 062-01-001:
Aristolochia macrophylla   FAMILY Aristolochiaceae

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Aristolochia durior

 

COMMON NAME:
Dutchman's Pipe, Pipevine


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

image of Isotrema macrophyllum, Dutchman's Pipe, Pipevine

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_arma7_001_lvd

        

image of Isotrema macrophyllum, Dutchman's Pipe, Pipevine

JK Marlow    jkm120426_736

April    Yancey County    NC

Blue Ridge Parkway

image of Isotrema macrophyllum, Dutchman's Pipe, Pipevine

JK Marlow    jkm120426_740

April    Yancey County    NC

Blue Ridge Parkway

image of Isotrema macrophyllum, Dutchman's Pipe, Pipevine

JK Marlow    jkm170415_664

April    Sevier County    TN

Great Smoky Mountains National Park

Caterpillars of the pipevine swallowtail butterfly feed only on this family, per Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont.

image of Isotrema macrophyllum, Dutchman's Pipe, Pipevine

Richard and Teresa Ware    rtw_a_macrophylla_z

May        

image of Isotrema macrophyllum, Dutchman's Pipe, Pipevine

Will Stuart    wil_8771481827_6571c1aeb1

May    Madison County    NC

Pipe "face" is about 1" wide with 3 equal lobes and a purple-brown mouth, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.

image of Isotrema macrophyllum, Dutchman's Pipe, Pipevine

JK Marlow    jkm100626_121

June    Avery County    NC

The Roan Highlands

Flower is a fleshy tubular S-curved calyx terminating in 3 spreading lobes, per Wildflowers of the Southern Mountains.

image of Isotrema macrophyllum, Dutchman's Pipe, Pipevine

JK Marlow    jkm190719_0006

July    Transylvania County    NC

Pisgah National Forest: Pisgah Ranger District

Plant nearly glabrous; leaves abruptly pointed (short acuminate), per Weakley's Flora (2018).

image of Isotrema macrophyllum, Dutchman's Pipe, Pipevine

JK Marlow    jkm060805_217

August    Haywood County    NC

Blue Ridge Parkway

image of Isotrema macrophyllum, Dutchman's Pipe, Pipevine

JK Marlow    jkm060805_221

August    Haywood County    NC

Blue Ridge Parkway

Leaves are heart-shaped, 4-10" wide, smooth to slightly hairy beneath, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.

image of Isotrema macrophyllum, Dutchman's Pipe, Pipevine

JK Marlow    jkm080802_156

August    Transylvania County    NC

Blue Ridge Parkway

image of Isotrema macrophyllum, Dutchman's Pipe, Pipevine

JK Marlow    jkm111008_732

October    Jackson County    NC

Balsam Mountain Preserve

Fruit a 2-4" ribbed capsule with many flat triangular seeds, per Woody Plants of the Blue Ridge.

image of Isotrema macrophyllum, Dutchman's Pipe, Pipevine

JK Marlow    jkm0311c_01

November    Sevier County    TN

Great Smoky Mountains National Park

High-climbing, twining vine most common in rich coves and moist slopes, per Woody Plants of the Blue Ridge.

image of Isotrema macrophyllum, Dutchman's Pipe, Pipevine

JK Marlow    jkm0311c_03

November    Sevier County    TN

Great Smoky Mountains National Park

The species name "macrophylla" means "large leaf", per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.

 

WEAKLEY'S FLORA (5/21/15):
Isotrema macrophyllum   FAMILY Aristolochiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Aristolochia macrophylla   FAMILY Aristolochiaceae

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Tennessee Flora Committee (2015)
Isotrema macrophylla

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 062-01-001:
Aristolochia macrophylla   FAMILY Aristolochiaceae

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Aristolochia durior

 

Search by scientific name:

126

Climbing woody vine
Perennial

Native to the Carolinas & Georgia

Documented growing wild in GA NC SC

Common (rare in SC), endemic to the south-central Appalachians

Look for it in cove forests & other mountain mesic forests, per Weakley's Flora

map
Click here to see a more detailed map from University of North Carolina at Chapel Hill Herbarium,

or click here to see a map from SERNEC, a consortium of southeastern herbaria.

 

partial shade shade ...Moist

LEAVES:
Deciduous
Simple
Alternate
Leaves cordate

FLOWER:
Spring/Summer
Maroon/Yellow-brown
Bisexual
Bilaterally symmetrical calyx
3-merous
Calyx tubular, limb with 3 spreading lobes
Petals absent, usually
6 stamens

FRUIT:
Summer/Fall
Capsule

 

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



 


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