Photo by Melody

PlantFiles: Devil's Claw, Unicorn Plant
Proboscidea parviflora

Family: Pedaliaceae
Genus: Proboscidea (pro-bosk-ee-DEE-uh) (Info)
Species: parviflora (par-VEE-flor-uh) (Info)

One vendor has this plant for sale.

7 members have or want this plant for trade.


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:
Magenta (Pink-Purple)
Bright Yellow

Bloom Time:
Late Summer/Early Fall


Other details:
May be a noxious weed or invasive
Drought-tolerant; suitable for xeriscaping
Self-sows freely; deadhead if you do not want volunteer seedlings next season

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

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive joeswife On Jan 4, 2012, joeswife from (Debra) Derby, KS (Zone 6a) wrote:

somehow this ended up in a pot of mine out front,I brought it in to savwe the seed pods, they are tuff to crack but managed to get some seeds, was told these grow wild here in Kansas, too. Hubby Loved the plant, so I will be trying to grow more.

Neutral Xenomorf On Dec 1, 2006, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

I've seen these growing in the wild on the West Ruby Road Trail in Arizona (South of Tucson), off of Interstate 19 through to Ruby, AZ and on to Arivaca, AZ.

Positive Organik On Dec 17, 2003, Organik wrote:

This is a fascinating plant, always getting a response from passers-by. The 'claws' are the two curving hooks on the seed pod, that latch on to cattle and anyone else unlucky enough to step on this plant. There are at least five species- some are eaten like okra, others are used to weave baskets, but mostly they are considered noxious weeds. There is one cute, tiny species from southern Mexico, and the largest is from Brazil. They have interesting relatives in S. Africa and Madagascar. The leaves can be sticky and smelly, and the seeds may need to be incised to hurry germination. I have free seeds for anybody interested in growing them. ''


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

Arivaca, Arizona
Hereford, Arizona
Phoenix, Arizona
Columbus, Georgia
Lilburn, Georgia
Bloomington, Indiana
Derby, Kansas
Elephant Butte, New Mexico
Wallingford, Pennsylvania

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