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Large Round-leaved Orchid

Platanthera orbiculata

Found in moist hardwood forests and seeps, especially over mafic, calcareous, or other more nutrient-rich substrates. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

27
Good

Native to West Virginia. How scores work Is it native here?

Profile 94%

Height
8–28 inches
Light
Partial shade
Soil moisture
Usually moist
Will it fit your yard?

At a glance

Life cycle
Perennial
Leaves
Deciduous
Bloom
June to September

Not yet recorded · Spread

Recorded in 6 West Virginia 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

Moist forests

Woods Scene
Harvey Joiner, Woods Scene: tall beeches in a moist Kentucky woodland, light falling through a closed canopy onto a damp forest floor. Regional view: the painting does not name the exact site. Shown: Kentucky beech woods (Harvey Joiner, Louisville painter of Kentucky beech forests; the painting does not name the site), a neighboring state.Woods Scene, Harvey Joiner, c. 1880-1920. Public domain. Source record.

Seeps and springs

Places where groundwater keeps the soil or rock wet, such as seepage slopes and spring runs.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in West Virginia. Shared habitat, not food. 73 animals.

Widespread birds also seen here (38)

Found in many habitats here, so not listed above.

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 · Platanthera

  • Argyrotaenia velutinanaRed-Banded Leafroller Moth, Jack Pine Tube Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
7BeesSoutheastern regional records

Southeastern regional records · Platanthera

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
1BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Platanthera

  • Falcipennis canadensisSpruce Grouse
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

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

Growing and identification

Plant details

Family
Orchidaceae
Hardiness
Zones 2a–7b
Soil pH
Acidic to neutral
Flower color
Green or white

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

Growing sources and scope
Also known as

Habenaria orbiculata; Large Round leaved Orchid; Lesser Round Leaf Orchid; Pad Leaf Orchid; orchid

Conservation status

West Virginia rankS4
Global rankG5
WV statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources