Key to the genera of the Barnadesieae

1.

Capitula heteromorphous; corollas red, pink, purple, very rarely white; style shaft smooth below bifurcation of style arms

Barnadesia
 

Capitula isomorphous; corollas white yellow or orange; style shaft papillose below bifurcation of style arms

2

2. (1)

Apical anther appendages emarginate or bilobed; receptacle flat; leaves coriaceous

Dasyphyllum
 

Apical anther appendages entire; receptacle alveolate; leaves xeromorphic

Chuquiraga