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Pipevine

Isotrema macrophyllum

Found in cove forests and other moist mountain forests. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

20
Good

Native to Alabama. How scores work Is it native here?

Profile 94%

Height
15–40 feet
Spread
15–20 feet
Light
Full sun, Partial shade
Soil moisture
Usually moist

Space about 17.5 ft apart from its recorded spread. Enter your bed size for a count

Will it fit your yard?

At a glance

Life cycle
Woody perennial
Leaves
Deciduous
Bloom
May to June
Fruiting season
August to September

Recorded in 2 Alabama counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 2

Rich cove forests

Cove hardwood forest
Regional / representative. Shown: Great Smoky Mountains National Park, North Carolina and Tennessee; representative habitat composite, not a documented exact viewpoint, a neighboring state.Cove hardwood forest, Hynes, Robert 'Bob', by 2012. Public domain. Source record.

Forests and woodlands

Trail on Little Kennesaw Mountain.
Named place / source context. Shown: Kennesaw Mountain National Battlefield Park, Georgia, a neighboring state.Trail on Little Kennesaw Mountain., Unidentified in HFC record, undated. Public domain. Source record.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 130 animals.

All wildlife of Alabama

Ecological relationships

Who uses this plant?

What these records mean

1CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Isotrema

Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
1BeesSoutheastern regional records

Southeastern regional records · Aristolochia

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Aristolochiaceae
Hardiness
Zones 4a–8b
Soil pH
Neutral
Flower color
Brown/copper, yellow, green or purple
Fruit begins
August
Fruit ends
September

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Aristolochia macrophylla; Dutchmans Pipe

Conservation status

Alabama rankSNR
Global rankG5
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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How to check your spot

Sources