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Pipevine

Isotrema macrophyllum

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

20
Good

Native to West Virginia. 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

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At a glance

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

Recorded in 1 West Virginia county.

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

Sheltered, moist mountain hollows and lower slopes with deep, fertile soil.

Forests and woodlands

Forest or woodland where the source does not say how moist or dry.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in West Virginia. Shared habitat, not food. 136 animals.

All wildlife of West Virginia

Ecological relationships

Who uses this plant?

What these records mean

1CaterpillarsGenus host records with ranges including WV

Genus host records with ranges including WV · 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

West Virginia rankS5
Global rankG5
WV statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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How to check your spot

Sources