TAXONOMY 337 



Official drug Part used Botanical name Habitat 



Hydrangea N.F. Rhizome and roots Hydrangea United States 



arborescens 



Hamamelidacce or Witchazel Family. Shrubs or small or large 

 trees. Leaves, simple, alternate and pinnately veined; stipules 

 deciduous to caducous, paired and slightly fused at the bases of 



FIG. 196. Liquidambar orientalis Branch. (Sayre.) 



petioles. Flowers frequently yellow to yellowish-white, in axillary 

 clusters or heads or spikes, hermaphrodite or monoecious; sepals 

 and petals five to four rarely indefinite, superior (petals absent in 

 Fothergilla) ; stamens twice as many as the petals but the outer row 

 alone fertile, the inner row being more or less barren and scale-like; 

 gyncecium of two carpels united below. Fruit a two-beaked, two- 

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