The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.

This specimen is one of approximately 187 specimens of materia medica (crude drug material) representing plants introduced and employed by physicians of the Eclectic School of American practitioners.

Wild Yam Extract, Chinese Yam Extract, Yam Extract, Diosgenin Product Description： Wild yam extract, commonly known as colic root or Mexican wild yam is native to China and North America. Wild yam, ...