Question

what is a pharmaceutical plant

Answer 1

Could it be a place where drugs are manufactured, rather than a biological species?

Answer 2

Or a plant that has medicinal qualities, such as aloe vera or willow bark?

http://en.wikipedia.org/wiki/Aloe_vera

http://www.google.com/search?q=willow+bark&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

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