| 1 | Margin of the lamina dentate, denticulate or crenate |
| 1' | Margin of the lamina entire or subentire (sometimes sinuate to sublobate) |
| 2 | 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 and at least 1.5 cm diam. when dry; introduced, fruit tree |
| 2' | Stipules densely hairy or, if sparsely, then at least with some brownish stiff hairs on the keel; lamina 3-7-lobed to -fid usually only on sterile branches; fig receptacle not pyriform or, if subpyriform, then less than 1.5 cm diam. when dry |
| 3 | Waxy glands in pairs, laterally at the base of the petiole; figs 0.3-1.3 cm long pedunculate |
| 3' | Waxy glands lacking at the base of the petiole; figs sessile or up 0.4 cm long pedunculate |
| 4 | Stipules only ciliolate or entirely glabrous |
| 4' | Stipules hairy outside, at least on the keel |
| 5 | Fig receptacle with papillate on the surface |
| 5' | Fig receptacle without papillae on the surface |
| 6 | Upper surface of lamina ± scabrous; stipules subpersistent |
| 6' | Upper surface of lamina smooth (or scabridulous); stipules caducous (or subpersistent) |
| 7 | Epidermis of the petiole flaking off |
| 7' | Epidermis of the petiole persistent |
| 8 | Lamina coriaceous, the apex acuminate to obtuse to rounded, the tertiary venation largely parallel to the lateral veins to reticulate |
| 8' | Lamina chartaceous (to subcoriaceous), the apex acuminate to subcaudate, the tertiary venation loosely scalariform; introduced, ornamental plant |
| 9 | Waxy glandular spots in pairs at the base of the petiole |
| 9' | Waxy glands absent at the base of the petiole |
| 10 | Periderm of the leafy twigs and epidermis of the petiole persistent |
| 10' | Periderm of the leafy twigs and/or the epidermis of the petiole flaking off |
| 11 | Midrib of the lamina not reaching the apex of the lamina |
| 11' | Midrib reaching the apex of the lamina |
| 12 | Stipules 0.8-1.2 cm long; fig receptacle (sub)glabrous |
| 12' | Stipules 1.2-2 cm long; fig receptacle hairy |
