| 1 | Leafy twigs with pairs of subnodal waxy glands below (the scars of) the petioles |
| 1' | Leafy twigs without waxy glands |
| 2 | 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 |
| 2' | 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 |
| 3 | 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) |
| 3' | Lower surface of the lamina neither foveolate nor clearly tessellate |
| 4 | Lamina ± scabrous above |
| 4' | Lamina smooth above |
| 5 | Figs usually cauliflorous, the receptacle 1-10 cm diam. when dry |
| 5' | Figs axillary in pairs or clustered (also on the older wood), the receptacle 0.2-1 cm diam. when dry |
| 6 | Leafy twigs densely and conspicuously hairy |
| 6' | Leafy twigs sparsely and/or minutely hairs to glabrous |
| 7 | Petiole 0.3-1(-2) cm long; lamina 1-5(-7.5) cm long; fig receptacle 0.3-0.6 (-0.8) cm diam. when dry |
| 7' | Petiole 1-4 cm long; lamina 7-21 cm long; fig receptacle 0.6-1 cm diam. when dry |
| 8 | Indumentum partly consisting of uncinate hairs |
| 8' | Indumentum without uncinate hairs |
| 9 | Basal bracts persistent |
| 9' | Basal bracts caducous |
| 10 | Lamina ± scabrous above |
| 10' | Lamina smooth above |
| 11 | Lateral veins 3-6 pairs |
| 11' | Lateral veins 6-10 pairs |
| 12 | Lateral veins and smaller veins of the lamina prominent beneath; the hairs on the lamina often ± patent |
| 12' | Lateral veins of the lamina slightly prominent, the smaller veins (almost) flat; the hairs on the lamina appressed |
| 13 | Lateral veins 6-10 pairs |
| 13' | Lateral veins 3-6 pairs |
| 14 | Lateral veins and smaller veins of the lamina prominent beneath; the hairs on the lamina often ± patent |
| 14' | Lateral veins of the lamina slightly prominent, the smaller veins (almost) flat; the hairs on the lamina appressed |
| 15 | Leafy twigs sparsely (and minutely) hairy |
| 15' | Leafy twigs densely hairy |
| 16 | Petiole 1-3 cm long; fig receptacle 0.3-0.7 cm long stipitate; ostiole flat to slightly prominent |
| 16' | Petiole 0.3-1.2 cm long; fig receptacle 0-0.1 cm long stipitate; ostiole ± sunken |
