| 1 | Leaves up to 20 cm long. Inflorescences lax, up to 8-flowered. |
| 1' | Leaves usually longer than 20 cm. Inflorescences compact |
| 2 | Inflorescences sessile or with scape to 4(-10) cm long. Fruit beaked |
| 2' | Inflorescences with scape 5-30 cm long. Fruit beaked or not |
| 3 | Perigone-tube 8-15 mm long |
| 3' | Perigone-tube 20-40 mm long |
| 4 | Bracts glabrous or ciliate at the top. Perigone-tube 7-8 mm long. Fruit beaked |
| 4' | Bracts villous to glabrescent. Perigone-tube to 2 mm long. Fruit not beaked. |
| 5 | Inflorescences head-like and deflexed |
| 5' | Inflorescences elongate and erect |
