Lespedeza Bicolor are reputed to contain DMT's. Here is an excerpt from http://www.textfiles.com/drugs/faq-tryp.txt

Genus: Lespedeza
Species: bicolor

Leaves and root contain DMT and 5-MeO-DMT (Smith 1977). Seeds of this hardy
perennial shrub are available from ...

This plant is invasize and grows well in poor soil (they grow like weeds !). They were introduced to the US from Japan many years ago and are now found throughout the Southeast. Unforunately, I can't find any other info, anywhere, though there is evidence of other goodies in this plant (terpenoid and flavonone compounds).

Does anyone have any experience/info ?

been kinda curious myself as it's a nice cold hardy plant.I don't have any more info besides it's used medicinally in Japan.