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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Proboscidea sabulosa

Proboscidea sabulosa Correll

Dune Unicorn Plant, Sanddune Unicorn-plant, Sand-dune Unicorn-plant, Devil's Claw

Pedaliaceae (Sesame Family)


USDA Symbol: PRSA2

USDA Native Status: L48 (N)


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Plant Characteristics

Duration: Annual
Habit: Herb
Fruit Type: Capsule
Size Notes: Up to about 16 inches tall by 4 feet across.
Fruit: Green and hook-shaped when fresh. Dry capsules split open to display 2 woody, strongly curled claws.

Bloom Information

Bloom Color: White , Yellow , Purple
Bloom Time: Jul , Aug


Native Habitat: Deep sands of semi-stabilized dunes in desert scrub and arid grasslands, often with mesquite or shin oak.

Web Reference

Webref 50 - New Mexico Rare Plants (2020) New Mexico Rare Plant Technical Council
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Proboscidea sabulosa in USDA Plants
FNA: Find Proboscidea sabulosa in the Flora of North America (if available)
Google: Search Google for Proboscidea sabulosa


Record Modified: 2020-09-21
Research By: CBR

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