| 1 | Lower surface of the lamina foveolate with deep stomatal pits and the areoles surrounded by very prominent veinlets; the midrib of the lamina not reaching the apex; cultivated |
| 1' | Lower surface of the lamina not foveolate or, if foveolate, then the stomatal pits shallow, surrounded by slightly prominent to almost flat veinlets, often bearing short hairs ± covering the stomatal pits; indigenous |
| 2 | Lower surface of the lamina foveolate (the areoles surrounded by a rim) or tessellate (the areoles brownish when dry, usually surrounded by paler coloured tissue) |
| 2' | Lower surface of the lamina neither foveolate nor clearly tessellate |
| 3 | Lamina usually 10-20 cm long and petiole 1-4 cm long |
| 3' | Lamina usually up to 10 cm long and petiole up to 1 cm long |
| 4 | Figs usually cauliflorous, the receptacle 1.5-5(-10) cm diam. when dry |
| 4' | Figs in the leaf axils (or on minute spurs on the older wood), 0.3-0.8 cm diam. when dry |
| 5 | Lamina ± scabrous above; basal bracts persistent |
| 5' | Lamina smooth above; basal bracts (usually) caducous |
| 6 | Hairs on leafy twigs (partly) with swollen bases |
| 6' | Hairs on leafy twigs without swollen bases |
| 7 | Stiff hairs of leafy twigs breaking off easily, irritant; fig receptacle usually 1.5-3.5 cm diam. when dry |
| 7' | Stiff hairs of leafy twigs not breaking off easily; fig receptacle 0.5-1.3 cm diam. when dry |
| 8 | Basal bracts 4-6 mm long and ostiole convex |
| 8' | Basal bracts 1.5-2 mm long and ostiole sunken |
| 9 | Tertiary venation reticulate (to subscalariform); basal lateral veins unbranched |
| 9' | Tertiary venation scalariform |
