Devil's claw
Description
1) 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.
2)
(Second image with format for image title)
Synonyms and Related Terms
Proboscidea altheaefolia; Proboscidea parviflora; Martynia, black martynia; cat's claw
The name has also referred to similar species with hooked claw seeds found in other areas of the world, such as Harpagophytum
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
(Include pdf files of tables or related information; new line for each file)
Characteristics of Common Blue Pigments
Additional Images
(The gallery is a repository for all additional images; new line for each image)
Paper dyed with indigo
Paper dyed with indigo
Resource and Citations
- Foraging Texas [website]