MADAGASCAR PERIWINKLE Catharanthus roseus, formerly Vinca rosea. Family Apocynaceae (Dogbane family). Material: Leaves of everblooming subshrub native to Madagascar, now grown as ornamental throughout USA and foubnd wild in Florida. Usage: Dried leaves are smoked. Active Constituents: Indole alkaloids resembling ibogaine: akummine, catharosine, vindoline, vincristine, vinblastine, vincamine. Effects: Euphoria and hallucinations, Vincamine improves mental ability in cerebrovascular disorders. Contraindications: Causes immediate reduction of white corpuscles. Excessive or prolonged use causes itching abd burning skin, hair loss, ataxia, and degeneration of muscle tissue. Strongly disrecommended. i wanted to know if the effects were true and if they were wroth it