As a non-narcotic constituent, it also occurs to a significant amount in the bark of Uncaria tomentosa (Cat’s Claw) along with a number of isomeric alkaloids.
(Note: "Cat's Claw" is also used to refer to Uncaria tomentosa, a woody vine found in the tropical jungles of South and Central America)
Uncaria | Sesbania tomentosa | Uncaria tomentosa | Paulownia tomentosa | ''Trema tomentosa var. viridis'' from Eastwood, New South Wales | Morchella tomentosa |