| 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 | Lower surface of the lamina foveolate |
| 4' | Lower surface of the lamina tessellate |
| 5 | Lamina often asymmetric and waxy glands only in the axils of one of basal lateral veins; areoles without indumentum on the rims; figs usually cauliflorous, the receptacle 1-10 cm diam. when dry |
| 5' | Lamina usually symmetric and waxy glands in the axils of both basal lateral veins; figs axillary in pairs or clustered (also on the older wood), the receptacle 0.3-1 cm diam. when dry |
| 6 | Main veins of the lamina impressed above; internal hairs absent |
| 6' | Main veins of the lamina almost flat to slightly prominent, or the midrib slightly impressed above; internal hairs abundant |
| 7 | Indumentum of leafy twigs pale brown to greyish; lamina 3-11 cm long; fig receptacle 0.4-0.6 cm diam. when dry |
| 7' | Indumentum of leafy twigs brown(ish); lamina 1-4.5 cm long; fig receptacle 0.2-0.3 cm diam. when dry |
| 8 | 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 |
| 8' | Petiole 1-7.5 cm long; lamina 7-20(-30) cm long; fig receptacle 0.6-2.5 cm diam. when dry |
| 9 | Basal pair of lateral veins up to 1/8-1/3 the length of the lamina; fig receptacle 0.6-1 cm diam. when dry |
| 9' | Basal lateral veins up to 1/3-1/2(-2/3) the length of the lamina; fig receptacle 1.5-2.5 cm diam. when dry |
| 10 | Indumentum partly consisting of uncinate hairs |
| 10' | Indumentum without uncinate hairs |
| 11 | Basal bracts persistent |
| 11' | Basal bracts caducous |
| 12 | Tertiary venation scalariform; lamina usually or often longer than 10 cm, occasionally less than 5 cm long |
| 12' | Tertiary venation reticulate or to subscalariform (with few, ± irregular, transverse (and parallel) tertiary veins, in particular in relatively large leaves); lamina always or often less than 10 cm long, often less than 5 cm long and with 3-6 pairs of lateral veins, or, if usually longer than 10 cm, then with 8-12 pairs of lateral veins |
| 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 slightly prominent, the smaller veins (almost) flat; the hairs on the lamina appressed |
| 15 | Petiole 0.3-1.5 cm long; fig receptacle 0.4-1 cm diam. when dry |
| 15' | Petiole 1.5-7.5 cm long; fig receptacle 1-2.5 cm diam. when dry |
| 16 | Lateral veins 8-12 pairs |
| 16' | Lateral veins 3-7 pairs |
| 17 | Lateral veins 6-10 pairs |
| 17' | Lateral veins 3-6 pairs |
| 18 | Lateral veins and smaller veins of the lamina prominent beneath; the hairs on the lamina often ± patent |
| 18' | Lateral veins of the lamina slightly prominent, the smaller veins (almost) flat; the hairs on the lamina appressed |
| 19 | Leafy twigs sparsely (and minutely) hairy |
| 19' | Leafy twigs densely hairy |
| 20 | Stipules usually 1-2 cm long; petiole brown hirtellous |
| 20' | Stipules 0.5-0.8 cm long; petiole densely pale brown to greyish floccose- villous |
