TOBACCO
NICOTIANA TABACUM and NICOTIANA RUSTICA, SOLANACEAE, originate from the "new world", ie tropical and subtropical zones of North and South America. The use of tobacco leaves by the Amerindians was…
OPIUM POPPY
OPIUM POPPY, PAPAVER SOMNIFERUM is the most important species in medicine among PAPAVERACEAE. It is a plant cousin of the poppy with a similar appearance but much larger. The wild…
KOLA NUT
KOLA trees , MALVACEAE,(formerly sterculiaceae) originate from the warm and humid regions of West Africa. Botanists distinguish at least 5 species that have edible and medicinal nuts (the botanical classification…
BETEL NUT
The areca palm, ARECA CATECHU, PALMAE, is an elegant palm tree of about fifteen meters high, native to the Malay Peninsular and Malay Peninsula, but also found in Papua New…
KAVA AWA YAGONA
The inhabitants of the South Pacific, Melanesia and Polynesia, before their contact with the Europeans, knew only one intoxicating drink prepared from the roots of the inebriating pepper: PIPER METHYSTICUM…