Hi,
http://www.cahuinadencul.com.ar/hojas_chacruna.htm
here are selling fresh leaves of Psychotria viridis and Psychotria alba, i don't know how they arrive, but a i buyed seeds from this site and they comed pretty well, also they sell Psychotria viridis seeds, caapi seeds, phalaris seeds and other things...
Greetings
PD: This is not spam ;)