ryania

noun ry·a·nia \rīˈānēə\

Definition of ryania

plural

-s

  1. 1 :  an insecticide made of a mixture of alkaloids from the ground stems of a tropical South American shrub (Patrisia pyrifera synonym Ryania speciosa) and used especially against the European corn borer

  2. 2 :  the plant that yields ryania

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Origin and Etymology of ryania

New Latin Ryania (genus name of Ryania speciosa, the shrub from which it is made), from John Ryan, 18th century British physician + New Latin -ia


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