Devil's claw (Harpagophytum procumbens). Also known as 'grapple plant' or 'wood spider'

MeSH terms

• Harpagophytum / chemistry*
• Humans
• Low Back Pain / drug therapy*
• Plant Extracts / isolation & purification
• Plant Extracts / pharmacology*
• Plant Extracts / therapeutic use
• Plant Roots / chemistry
• Rheumatic Diseases / drug therapy*