Devil's claw
Description
An uncommon annual plant (Proboscidea altheaefolia, Proboscidea parviflora) that is native to arid area in southwestern United States. Devil's claw was named for its large seed pods with hooked ends. The mature pods turn black or brown and split open. Fibers from these pods were used for weaving baskets.
Another plant, found in South Africa Harpagophytum procumbens is also called "devil's claw"
Synonyms and Related Terms
Proboscidea altheaefolia; Proboscidea parviflora; black martynia; devil's horn; unicorn plant
Personal Risks
Physical and Chemical Properties
(include all available properties for the characterization or stability of the material including solubility, absorption wavelengths, lightfastness classification, microscopic appearance.
| Composition | C16H10N2O2 |
|---|---|
| CAS | 482-89-3 |
| Melting Point | 390-392 |
| Molecular Weight | mol. wt. = 262.26 |
| Refractive Index | >1.662 |
Working Properties
Comparisons and Related information
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Characteristics of Common Blue Pigments
Additional Images
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Paper dyed with indigo
Paper dyed with indigo
Resource and Citations
- Foraging Texas [website]