| 1 | Lower surface of the lamina with hairs in the areoles |
| 1' | Lower surface of the lamina with hairs (almost) confined to the veins and veinlets or glabrous |
| 2 | Margin of the lamina dentate, denticulate or crenate |
| 2' | Margin of the lamina entire or subentire (sometimes sinuate to sublobate) |
| 3 | Stipules only ciliolate or, if hairy outside, then sparsely white puberulous on the keel; lamina 3-7-lobed to -fid also on fertile branches; fig receptacle usually (sub)pyriform 1.5-4 cm diam. when dry; introduced, fruit tree |
| 3' | Stipules densely hairy; lamina 3-7-lobed to -fid usually only on sterile branches; fig receptacle subglobose to ellipsoid, usually 1-1.5 cm diam. when dry |
| 4 | Stipules 0.4-0.8 cm long, usually brown hairy; fig receptacle 0.7-1 cm diam. when dry |
| 4' | Stipules 0.8-3.2 cm long, usually whitish to yellowish hairy; fig receptacle 1-1.6 (-2) cm diam. when dry |
| 5 | Stipules only ciliolate or entirely glabrous |
| 5' | Stipules hairy outside, at least on the keel |
| 6 | Epidermis of the petiole flaking off |
| 6' | Epidermis of the petiole persistent |
| 7 | Stipules subpersistent; lateral veins mostly 9-15 pairs |
| 7' | Stipules caducous; lateral veins mostly 4-8 pairs |
| 8 | Waxy glandular spots in pairs at the base of the petiole |
| 8' | Waxy glands absent at the base of the petiole |
| 9 | Midrib of the lamina not reaching the apex of the lamina |
| 9' | Midrib reaching the apex of the lamina |
