Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.
| 1 Leaves finely dissected, the divisions 1 mm or less wide, the margins strongly revolute. |
| ..2 Bracts as long as or longer than the calyx; leaf segments 1-4 mm wide |
..2 Bracts much shorter than the calyx; leaf segments 0.5-1.5 mm wide |
| 1 Leaves coarsely dissected or lobed, the divisions > 1 mm wide, the margins slightly or not at all revolute. |
| ....3 Calyx eglandular |
| ....3 Calyx glandular. |
| ......4 Leaves somewhat succulent, glabrous or with a few hairs; [n. FL southwards] |
| ......4 Leaves not succulent, hirsute to strigose; [collectively widespread in our area]. |
| ........5 Calyx lobes > 3 mm long |
| ........5 Calyx lobes < 3 mm long |