TAXONOMY 
255 
Official drug 
Zingiber 
Cardamomi 
Semen 
Galanga N.F. 
Zedoaria N.F. 
Unofficial drug 
Curcuma 
Part used 
Rhizome 
Seeds 
Rhizome 
Rhizome 
Botanical name Habitat 
Zingiber officinale Asia 
Elettaria Indo-China 
Cardamomum 
Alpinia Asia 
officinarum 
Curcuma Zedoaria Asia, Madagascar 
Prepared rhizome 
Curcuma longa 
South Asia 
Fig. 126. — Floral organs of an orchid ( CaUleya sp.). A, the entire flower; sep, 
sepal; pet, petal; B, column, showing s, stigma and r, the rostellum (beak), with 
the small glands at the tip; to the glands are attached the four strap-shaped 
caudicles of the pollinia; C, pollinia, with the four caudicles; below, the gland; D, 
longitudinal section of the column; p, pollinium; E, the same, enlarged. (Gager.) 
