| Tweedia | |
|---|---|
|   | |
| Tweedia birostrata in Chile | |
| Scientific classification   | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Asterids | 
| Order: | Gentianales | 
| Family: | Apocynaceae | 
| Subfamily: | Asclepiadoideae | 
| Tribe: | Asclepiadeae | 
| Genus: | Tweedia Hook. & Arn. | 
| Type species | |
| Tweedia birostrata (Hook. & Arn.) Hook. & Arn. [1]  | |
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. [2] An ornamental plant, Oxypetalum coeruleum , formerly included in this genus is commonly referred to as "tweedia". [3] [4] [5] [6] [7]
Current species include: [8]
formerly included: [8]