OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Isotrema tomentosum   FAMILY Aristolochiaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Aristolochia tomentosa   FAMILY Aristolochiaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Isotrema tomentosum

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

Isotrema tomentosa

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 3 (1997)

Aristolochia tomentosa

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 062-01-003?:

Aristolochia tomentosa   FAMILY Aristolochiaceae

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

Aristolochia tomentosa

 

COMMON NAME:
Woolly Dutchman's Pipe, Woolly Pipevine


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

image of Isotrema tomentosum, Woolly Dutchman's Pipe, Woolly Pipevine

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_arto3_001_lvd

        

image of Isotrema tomentosum, Woolly Dutchman's Pipe, Woolly Pipevine

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_arto3_002_lvd

        

image of Isotrema tomentosum, Woolly Dutchman's Pipe, Woolly Pipevine

Jeff Ausmus    jma_aritom_4

June    Monroe County    MI

In cultivation

Flowers about 1.6" long; covered w matted woolly hairs; strongly bent and pipe-shaped, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).

image of Isotrema tomentosum, Woolly Dutchman's Pipe, Woolly Pipevine

Jeff Ausmus    jma_aritom3

June    Monroe County    MI

In cultivation

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 (Horn, Cathcart, Hemmerly, & Duhl, 2005).

image of Isotrema tomentosum, Woolly Dutchman's Pipe, Woolly Pipevine

Jeff Ausmus    jmaaritom

June    Monroe County    MI

In cultivation

Peduncle 1-7cm, not bracteolate, per Flora of North America.

image of Isotrema tomentosum, Woolly Dutchman's Pipe, Woolly Pipevine

Jeff Ausmus    jmaaritom2

June    Monroe County    MI

In cultivation

image of Isotrema tomentosum, Woolly Dutchman's Pipe, Woolly Pipevine

JK Marlow    s090725_08285

July        

In cultivation

Lvs heart-shaped to nearly round, 4-8" long & wide, softly pubescent beneath, per Wildflowers of Tennessee (Carman, 2005).

image of Isotrema tomentosum, Woolly Dutchman's Pipe, Woolly Pipevine

Jeff Ausmus    jma_aritom5

August    Monroe County    MI

In cultivation

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Isotrema tomentosum   FAMILY Aristolochiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Aristolochia tomentosa   FAMILY Aristolochiaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Isotrema tomentosum

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

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 3
Aristolochia tomentosa

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 062-01-003?:
Aristolochia tomentosa   FAMILY Aristolochiaceae

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

 

Find by SCIENTIFIC NAME:

2593

Climbing woody vine
Perennial

Habitat: Bottomland and riparian forests, stream and river banks, disturbed areas, per Weakley's Flora

Native to South Carolina & Georgia (possibly introduced in NC)

Uncommon in NC Mountains (where is possibly introduced) (rare elsewhere in GA-NC-SC)

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

LEAVES:
Deciduous
Simple
Alternate

FLOWER:
Spring/Summer
Calyx yellowish (with a purple mouth)
Bilaterally symmetrical calyx
3-merous
Calyx tubular, limb with 3 spreading lobes
Petals absent, usually
6 stamens
Inferior ovary
Bisexual

FRUIT:
Summer/Fall?
Capsule

 

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



 


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