Louisiana Unicorn-plant

Proboscidea louisianica

Native status unresolved in Georgia

Photographs are not available yet.

Ecological relationships

Who uses this plant?

3CaterpillarsGenus host records with ranges including GA

Genus host records with ranges including GA · 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

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

Growing sources and scope

Flower color · “White, pink, yellow or purple” · Lady Bird Johnson Wildflower Center
Height · “Up to about 2 feet” · Lady Bird Johnson Wildflower Center
Leaves · “Deciduous” · Lady Bird Johnson Wildflower Center
Life cycle · “Annual” · Lady Bird Johnson Wildflower Center
Light · “Sun” · Lady Bird Johnson Wildflower Center
Soil · “Dry” · Lady Bird Johnson Wildflower Center
Soil pH · “Acidic” · Lady Bird Johnson Wildflower Center

Also known as

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

Conservation status

Georgia rank	Not available
Global rank	GU
GA status	Not verified
Federal status	Not verified

Conservation source Global and federal source

In your garden

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Sources