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Devil's Claw, Unicorn Plant

Proboscidea parviflora var. hohokamiana

Family: Pedaliaceae
Genus: Proboscidea (pro-bosk-ee-DEE-uh) (Info)
Species: parviflora var. hohokamiana



Foliage Color:


Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Where to Grow:

Unknown - Tell us


24-36 in. (60-90 cm)


36-48 in. (90-120 cm)


Not Applicable

Sun Exposure:

Full Sun


Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:


Pale Yellow

Bloom Time:

Late Summer/Early Fall


Unknown - Tell us

Other details:

May be a noxious weed or invasive

Soil pH requirements:

Unknown - Tell us

Patent Information:


Propagation Methods:

From softwood cuttings

From seed; sow indoors before last frost

From seed; direct sow after last frost

Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting:

Allow seedheads to dry on plants; remove and collect seeds


This plant has been said to grow in the following regions:

Phoenix, Arizona

Citrus Heights, California

Escondido, California

Barbourville, Kentucky

Dundee, Ohio

Hulbert, Oklahoma

Logan, Utah

show all

Gardeners' Notes:


On Sep 12, 2007, WUVIE from Hulbert, OK (Zone 7a) wrote:

Okay, so this plant isn't for everyone. The plant itself
tends to be floppy as summer ends, even drooping on
the ground.

The claws are very useful in various crafts. By pushing
the stem end of one claw into the center of the split from
another claw, continuing until a ring is formed, you will
create quite an interesting conversation piece.

Proboscidea parviflora var. hohokamiana
have hooks which are longer than standard black seeded
Devil's Claws.

The seeds can be a bugger to germinate, but only if
you don't meet their basic requirements. Soil temperature
must be warm, and while moisture works wonders, soggy
soil won't cut the mustard.

I often soak the seeds o... read more


On Jul 7, 2006, ryquail from Escondido, CA wrote:

Easy from seed . The immature pods tast like greenbeens and the mature black pods are very usefull in dried flower arangements.


On Oct 26, 2003, Terry from Murfreesboro, TN (Zone 7a) wrote:

According to several sources, this variety was cultivated by the Tohono O’odham in the mid- to late-1800s, although it was also grown in the Hokokoman area as early as the 1600s. It is still grown by many native tribes for food and basket-making. It is differentiated from the species by its white (versus black) seeds, which are easier and faster to germinate; and by its longer, softer (and therefore more desirable) fibers, used in basket-making.

The same Perdita bee that pollinates P. altheaefolia visits this variety, but not the species.