In Flora of Australia (Purdie et al. 1982:184) it is stated that the genus Withania is named after Henry Witham (sic.), an English palaeobotanist of the early 19th century.

www.plantzafrica.com

Named for Henry Thomas Maire Witham (name at birth = Silvertop), 1779-1844 of Northumberland. Paleobotanist. Wrote 'Observations on fossil vegetables.'

Desmond, Ray. (1977). Dictionary of British and Irish Botanists and Horticulturists. Taylor and Francis, London.

Medicinal uses Uses supported by clinical data As an antistress agent to improve reaction time (15). Uses described in pharmacopoeias and well established documents As a general tonic to increase energy, improve overall health and prevent disease in athletes and the elderly (1, 16). Uses described in traditional medicine Treatment of bronchitis, dyspepsia, impotency, scabies and ulcers (5, 16). Contraindications Due to the lack of safety data and the fact that the crude drug has been used in traditional medicine to induce abortion, its use during pregnancy or breastfeeding is contraindicated (4).

From WHO Monographs on Selected Medicinal Plants Vol 4 2005, WHO Geneva

Long employed in Ayuverdic medicine in India. Its composition and the wide claims for therapeutic activity in many diseases, including cancer and stress, are reviewed in Tewari et al 2022.

Withania somnifera (L.) Dunal: Phytochemistry, structure-activity relationship, and anticancer potential. Phytomedicine 98, 153949.

A member of the Solanaceae family but with only a low level of tropane alkaloids. Its content of steroidal lactones, the withanolides, steroidal lactones, may be responsible for the effects of a large dose in causing headache, diarrhoea, sedation and nausea, as well as the numerous claimed beneficial actions.

Rakesh, M., Akanksha, J. 2010. Chemistry and pharmacology of Withania coagulans: an Ayurvedic remedy, J Pharm Pharmacol. 62 153–160.

Africa, Macaronesia, Cape Verde

Africa, Northeast Tropical Africa

Africa, Northern Africa

Africa, South Tropical Africa

Africa, Southern Africa

Africa, West Tropical Africa

Africa, Western Indian Ocean

Asia-Temperate, Arabian Peninsula

Asia-Temperate, Western Asia

Asia-Tropical, Indian Subcontinent, India

Asia-Tropical, Indian Subcontinent, Pakistan

Asia-Tropical, Indian Subcontinent, Sri Lanka

Europe, Southeastern Europe, Greece

Europe, Southeastern Europe, Italy

Europe, Southeastern Europe, Sicilia

Europe, Southwestern Europe, Sardegna

Europe, Southwestern Europe, Spain