Glycyrrhiza lepidota be sweet and were used as food and for medicinal purposes by Native Americans. After eating a roasted root in 1806, Meriwether Lewis described an "agreeable flavour not unlike the sweet pittaitoe." American licorice is not sweet from sugar but from glycyrrhizin. Glycyrrhizin may increase blood pressure (aka hypertension) by interfering with cortisol conversion. The Zuni people chew the root to keep the mouth sweet and moist. American licorice is grazed by cattle, but not preferred and will increase under grazing as competing plants are grazed off. The new growth can be toxic. It has light green to white flowers
International Union for the Protection of New Varieties of Plants is known to consider open and un-restricted access to the genetic resources of protected plant varieties to be important to the continued development of new varieties. This opinion is indicated in the "breeders' exemption" clause of the Convention, as described above, and was reinforced in October 2005 in a reply to a notification from the Convention on Biological Diversity. In April 2003, the Convention on Biological Diversity asked the UPOV for comment on the use of Genetic Use Restriction Technologies (also known pejoratively as 'terminator genes') as they relate to the promotion of intellectual property rights. In the summary of