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PHARMACEUTICAL BOTANY 
Sapindacece or Soapwort Family. — Trees, shrubs, undershrubs or 
rarely herbs of tropical climes containing the glucoside saponin. 
Stem erect or climbing ( Paullinia ) often provided with tendrils. 
Leaves commonly alternate and compound. Flowers in racemes 
Fig. 169. — Cross section through root-bark of Euonymus atropurpureus. 
Note the two broad dome-shaped phloem patches, one on either side of a wedge- 
shaped primary medullary ray. 
or panicles ( Paullinia ), perfect or polygamo-dioecious, yellowish in 
Paullinia Cupana. Fruit a capsule (P. Cupana), samara, drupe or 
berry. Seeds exalbuminous. 
Official drug 
Part used 
Botanical origin 
Habitat 
Guarana 
Dried Paste, 
chiefly of 
crushed seeds 
Paullinia Cupana 
Brazil 
