| 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 1-8(-12) cm long, petiole up to 1 cm long and/or stipules up to 1 cm long |
| 3' | Lamina usually 10-20 cm long, petiole 1-7.5 cm long, and/or stipules 1-2.5 cm long |
| 4 | Fig receptacle 1-5(-10) cm diam. when dry, the basal bracts 2-5 mm long |
| 4' | Fig receptacle 0.3-1 cm diam. when dry, the basal bracts 0.5-1.5 mm long |
| 5 | Fig receptacle (1.5-)3-5(-10) cm diam. when dry, the basal bracts 3-5 mm long; apex of the lamina minutely retuse |
| 5' | Fig receptacle 1-2 cm diam. when dry, the basal bracts 2-3 mm long; apex of the lamina not retuse |
| 6 | Petiole (0.8-)1-2.5 cm long; basal bracts persistent; fig receptacle 0.4-1.2 cm long stipitate |
| 6' | Petiole usually up to 1 cm long: basal bracts usually caducous; fig receptacle not or up to 0.4 cm long stipitate |
| 7 | Lateral veins 4-6 pairs; fig receptacle 0.6-1 diam. when dry |
| 7' | Lateral veins 6-12 pairs; fig receptacle 1.5-3.5 cm diam. when dry |
| 8 | Lateral veins 6-8 pairs, the basal pair up to 1/5-1/3 the length of the lamina |
| 8' | Lateral veins 10-12 pairs, the basal pair up to 1/20-1/10 the length of the lamina |
| 9 | Basal lateral veins 6-10 pairs |
| 9' | Basal lateral veins 3-6 pairs |
| 10 | Lateral veins and smaller veins of the lamina prominent beneath; the hairs on the lamina often ± patent |
| 10' | Lateral veins of the lamina slightly prominent, the smaller veins (almost) flat; the hairs on the lamina appressed |
| 11 | Indumentum partly consisting of uncinate hairs |
| 11' | Indumentum without uncinate hairs |
| 12 | Lamina ± scabrous above |
| 12' | Lamina smooth above |
| 13 | Basal lateral veins up to 1/2 the length of the lamina; indumentum of the lower surface of the lamina dark brown |
| 13' | Basal lateral veins up to 1/2-2/3 the length of the lamina; indumentum of the lower surface of the lamina brown to whitish |
| 14 | Leafy twigs and/or petioles sparsely (and minutely) hairy |
| 14' | Leafy twigs and petioles densely hairy |
| 15 | Indumentum of the lower surface of the lamina dark brown, dense and ± patent; fig receptacle 0.7-1 cm diam. when dry |
| 15' | Indumentum of the lower surface of the lamina brown, sparse and appressed; fig receptacle 0.4-0.6 cm diam. when dry |
