Spermatophytes (seed plants): Angiosperms (flowering plants): Magnoliids: Piperales
WEAKLEY'S FLORA (5/21/15):
Isotrema macrophyllum
FAMILY
Aristolochiaceae
NEW! Click to go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
You may also want to check Trees, Shrubs, and Woody Vines of North Carolina
Read a taxonomic advisory regarding Isotrema from Alan Weakley and the Southern Appalachian Botanical Society.
Learn more about Isotrema from the Vascular Plants of North Carolina.
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.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_arma7_001_lvd
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JK Marlow jkm120426_736
April Yancey County NC
Blue Ridge Parkway
)
JK Marlow jkm120426_740
April Yancey County NC
Blue Ridge Parkway
)
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.
)
Richard and Teresa Ware rtw_a_macrophylla_z
May
)
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.
)
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.
)
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).
)
JK Marlow jkm060805_217
August Haywood County NC
Blue Ridge Parkway
)
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.
)
JK Marlow jkm080802_156
August Transylvania County NC
Blue Ridge Parkway
)
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.
)
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.
)
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
126
Climbing woody vine
Perennial
Native to the Carolinas & Georgia
Habitat: cove forests and other mesic mountain forests, per Weakley's Flora
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
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!
- Gardening with the Native Plants of Tennessee p219
- Great Smoky Mountains Wildflowers p044
- Guide to the Wildflowers of SC p135
- Native Shrubs and Woody Vines of the Southeast p057
- Wild Flowers of NC, 1st edition p053
- Wild Flowers of NC, 2nd edition p061
- Wildflowers of Tennessee p027
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians p046
- Woody Plants of the Blue Ridge p21
- Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont p271
- Woody Plants of the Southeastern US: A Winter Guide p063
- Wildflowers of the Southern Mountains p030