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Louisiana Unicorn-plant

Proboscidea louisianica

33
Good

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

Profile 82%

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 5 Arkansas counties.

Ecological relationships

Who uses this plant?

What these records mean

3CaterpillarsGenus host records with ranges including AR

Genus host records with ranges including AR · 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)
7BeesSoutheastern regional records

Southeastern regional records · Proboscidea

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
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

Arkansas rankSNR
Global rankGU
AR statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your yard?

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How to check your spot

Sources