Many of the psychedelic plants contain dimethyltryptamine , which is either snorted (Virola, Yopo snuffs), vaporized, or drunk with MAOIs . It cannot simply be eaten as it is not orally active without an MAOI and it needs to be extremely concentrated to be vaporized.
The plant, which can climb up to 31 feet, is entirely legal. However, extraction of LSA from the seeds for human ingestion is illegal. LSA, or lysergic acid amide, was a precursor to LSD, having a similar chemical structure, and yielding similar psychedelic effects.
The following is a list of plants that, amazingly, affect the brains and mental states of the humans who ingest them.