Harpagophytum procumbens is mainly found in the eastern and south eastern parts of Namibia, Southern Botswana, and the Kalahari region of the Northern Cape, South Africa. H. zeyheri is found in the northern parts of Namibia ( 詳細

The generic name, Harpagophytum, is derived from the Greek words harpago meaning "hook" and phyton meaning "plant". 詳細

Caution exists for a variety of conditions, such as pregnancy and cardiovascular disorders. Devil's claw may cause diarrhea and may interfere with the action of ticlopidine and warfarin. 詳細

• Botany databases at the Hunt Institute for Botanical Documentation
• Media related to Harpagophytum at Wikimedia Commons 詳細

The ethnobotanical use of devil's claw originated in southern Africa. H. procumbens is one of the floral emblems of Botswana where it is thought to be useful in treating a variety of pain conditions.
Preparations of the plant or … 詳細

Harpagophytum procumbens inhabits deep, sandy soils, and occurs in areas with low annual rainfall (150–300 mm/year). It is a perennial, tuberous plant with annually produced creeping stems. … 詳細