Ryania is a genus of plants in the family Salicaceae; it was previously listed in the now defunct family Flacourtiaceae.
The genus is significant partly because the ryanoid insecticides are derived from, and have the same mode of action as the alkaloid ryanodine, which was originally extracted from Ryania speciosa.
The Catalogue of Life includes these species:
Tape yon sentòm oswa yon maladi epi li sou remèd fèy ki ta ka ede, tape yon zèb ak wè maladi ak sentòm li itilize kont.
* Tout enfòmasyon baze sou rechèch syantifik pibliye