Tetracocyne angustifolia Turcz.Ryania patrisii Miq.Patrisia speciosa (Vahl.)

JV Monachino Ryania speciosa[2][3] is a species of plant in the family Salicaceae.

[4][5] The species is significant partly because the alkaloid ryanodine was originally extracted from this South American plant.

It is used as a piscicide.

[6] The Catalogue of Life[4] lists these varieties: