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PHARMACEUTICAL BOTANY 
Erythroxylaceee or Coca Family . — -Shrubs ( Erythroxylon ) or trees 
with alternate, simple, entire, glabrous and pinnately veined leaves. 
Flowers regular, hermaphroditic, each with five sepals, five hypogy- 
nous petals, ten stamens and a two- to three-celled ovary subtend- 
ing three styles each with a capitate stigma. F ruit an ovoid, angular, 
one-celled drupe containing a single seed. 
Official drag 
Cocaina 
Unofficial 
Coca 
Part used 
Alkaloid 
Botanical origin 
Erythroxylon Coca 
and its varieties 
Habitat 
Peru and Bolivia 
Leaves 
Erythroxylon Coca Peru and Bolivia 
and its varieties 
Fig. 162 . — Guaiacum sanctum — Flowering branch. (Sayre.) 
