Variation of phytochemical profiles and content among root morphotypes of American ginseng: Economic implications for the grower

The Root of Sustainability: Investigating the relationship between medicinal plant conservation and surface mining in Appalachia

“…As roots age and grow, if they are in the right conditions, they can become more 'gnarled,' which is more attractive to buyers as this attribute is associated with increased medicinal efficacy (Obae and West, 2012). The age of the plants harvested in a given year is calculated on an average basis.…”