1 | Inflorescence shorter than the petioles (or at most about equal to them). Leaves palmately lobed, but variable in the variety |
1' | Inflorescence much longer than the petioles. |
2 | Leaves simple, entire, minutely and remotely dentate. |
2' | Leaves palmately lobed or digitately compound (occasionally some simple). |
3 | Leaf base subcordate; blade to 35 cm or more long; petioles c. 15 cm, 5 mm ø. |
3' | Leaf base cuneate or rounded; blade to 25 cm long; petioles c. 1 cm, 2 mm ø. |
4 | Leaves palmately lobed |
4' | Leaves digitately compound. |
5 | Branches of the inflorescence bearing several umbellules racemosely (as well as one at end); umbellules with c. 25-35 flowers |
5' | Branches of the inflorescence bearing a terminal umbellule only (or occasionally with separate flowers below it); umbellule with c. 10-13 flowers |