Key to the genera of the Anthemideae
1. |
Marginal florets rayed, well-exceeding involucre |
2 |
Marginal florets filiform or absent, scarcely exceeding involucre |
3 |
|
2. (1) |
Receptacle paleaceous |
|
Receptacle epaleaceous |
||
3. (1) |
Disc floret corollas 5-merous; capitula numerous, usually nodding |
|
Disc floret corollas 3- or 4- merous; capitula solitary, erect |
4 |
|
4. (3) |
Capitula sessile |
|
Capitula scapiform and long-pedicelled |
