Tweedia

Tweedia is a genus of flowering plants in the family Apocynaceae, first described as a genus in 1835. The genus is native to South America. An ornamental plant, Oxypetalum coeruleum, formerly included in this genus is commonly referred to as "tweedia".

== Species == Current species include: Tweedia andina (Phil.) G.H.Rua – Chile Tweedia aucaensis G.H. Rua – Argentina Tweedia australis (Malme) C. Ezcurra – Argentina Tweedia birostrata (Hook. & Arn.) Hook. & Arn. – Chile Tweedia brunonis Hook. & Arn. – Argentina, Bolivia, Paraguay Tweedia echegarayi (Hieron.) Malme – Argentina Tweedia solanoides (Hook. & Arn.) Chittenden – Argentina, Brazil, Paraguay, Uruguay