TAXONOMY 
257 
Official drug 
Vanilla N.F. 
Part used 
Fruit 
Cypripedium N.F. Rhizome and roots 
Botanical name Habitat 
Vanilla planifolia Mexico 
Cypripedium 
hirsutum 
Cypripedium 
parviflorum 
1- United States 
Plants having the following characteristics: 
Two-seed leaves (cotyledons) in embryo. 
Netted-veined leaves. 
17 
