Ottleya wrightii, synonym Lotus wrightii, is a species of legume native to the southwestern United States (Arizona, Colorado, New Mexico and Utah).[1] It is also said to occur in Nevada. It is known as Wright's deervetch.
It has yellow flowers on many stems, arising from a single root crown.It was named after Charles Wright.[2] The Zuni people apply a poultice of the chewed root to swellings that they believe are caused by being witched by a bullsnake.[3]