| 1 | Lobes of upper pinnae deeply lobulate; veins forming few areoles beyond those along costae andcostules |
| 1' | Lobes of upper pinnae at most crenate; additional areoles frequent below sinuses between pinna-lobes. |
| 2 | Both surfaces densely short-hairy between the veins |
| 2' | Upper surface bearing scattered hairs 0.5 mm long; lower surface between veins almost glabrous |
