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Louisiana Unicorn-plant

Proboscidea louisianica

—
Not scored

Native status: sources disagree, under review. How scores work Is it native here?

Profile 65%

Height
Up to about 2 feet
Light
Sun
Soil moisture
Dry
Will it fit your yard?

At a glance

Life cycle
Annual
Leaves
Deciduous

Not yet recorded · Spread · Bloom

Recorded in 1 West Virginia county.

Ecological relationships

Who uses this plant?

What these records mean

3CaterpillarsGenus host records with ranges including WV

Genus host records with ranges including WV · Proboscidea

  • Manduca sextaCarolina Sphinx, Tomatoe Sphinx, Tobacco Hornworm
  • Pyrrharctia isabellaIsabella Tiger Moth, Banded Woolybear
  • Spilosoma virginicaVirginian Tiger Moth, Yellow Woolybear Moth, Yellow Bear
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
—BeesSoutheastern regional records
—Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim
Growing and identification

Plant details

Family
Martyniaceae
Soil pH
Acidic
Flower color
White, pink, yellow or purple

What its natural habitat tells you

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

Growing sources and scope
Also known as

Devils Claw; Louisiana Unicorn plant; Proboscidea louisianica; Rams Horn; Unicorn Plant

Conservation status

West Virginia rankSNA
Global rankGU
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