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.^[2] An ornamental plant, Oxypetalum coeruleum, formerly included in this genus is commonly referred to as "tweedia".^{[3][4][5][6][7]}

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]

Species

Current species include:^[8]

1. Tweedia andina (Phil.) G.H.Rua – Chile
2. Tweedia aucaensis G.H. Rua – Argentina
3. Tweedia australis (Malme) C. Ezcurra – Argentina
4. Tweedia birostrata (Hook. & Arn.) Hook. & Arn. – Chile
5. Tweedia brunonis Hook. & Arn. – Argentina, Bolivia, Paraguay
6. Tweedia echegarayi (Hieron.) Malme – Argentina
7. Tweedia solanoides (Hook. & Arn.) Chittenden – Argentina, Brazil, Paraguay, Uruguay

formerly included:^[8]

1. Tweedia coerulea, syn of Oxypetalum coeruleum
2. Tweedia floribunda, syn of Oxypetalum solanoides
3. Tweedia macrolepis, syn of Oxypetalum macrolepis
4. Tweedia versicolor, syn of Oxypetalum coeruleum