My medical source in Mexico sent me this response:

Toloache (i) is a wild plant ( bush ) very popular among the "curanderos" and "brujas" in the north and south of Mexico. Among its properties it is believed to be useful to "control and intensify the sexual attraction of the lover". Unfortunately, on the medical side, it has been reported to have some toxic effects over the neurological system and it has been associated with hallucinations and squizophrenia-like syndromes with permanent damage to the brain. I would not recommend its use for any medical condition.Hi, Dr. Bill! That was from my herb specialist ex-husband