Related Clues:

• Source of drug, oddly cool chap
• S. American drug plant
• Protein from beans
• Briefly raise a narcotic
• Drink lacking nothing as a stimulant
• Shrub yielding drug
• S. American drug crop
• Meat substitute only lacking filling in South Africa
• Drug company's Canadian but name can't be revealed
• Leaves for snow caps of Caucasus or Central Asia
• Vegetable protein
• Leaves with an addiction?
• South American plant
• So Tom's called for this milk
• Tofu source, in London