It was a spring day in Schleicher County around 1985. Dr. Landers was waiting on students to finish a range contest when he decided to do a local rancher a small favor. Twin-leaf senna (Senna roemeriana) is a toxic plant known for causing livestock poisoning, and he had spotted a patch nearby. On a whim, he dug up about a dozen plants.
[Read more…] about Dr. Lander’s Rare Discovery in the Roots of Twin-leaf Senna



