| 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 | Petiole 0.2-1 cm long; stipules 0.3-1 cm long; lamina often shorter than 10 cm |
| 5' | Petiole 1-4 or 4-13 cm long; stipules (0.5-)1-2(-4.5) cm long and/or the lamina (mostly) longer than 10 cm |
| 6 | Lamina asymmetric with 1 waxy gland in the axil of the basal lateral vein at the broad side of the lamina |
| 6' | Lamina symmetric (or slightly asymmetric at the base) with waxy glands in the axils of both basal lateral veins or absent |
| 7 | Main veins of the lamina impressed above; internal hairs absent |
| 7' | Main veins of the lamina almost flat to slightly prominent, or the midrib slightly impressed above; internal hairs abundant |
| 8 | Figs axillary in pairs or clustered (also on the older wood), the receptacle 0.2-0.6 cm diam. when dry; areoles without indumentum on the rims |
| 8' | Figs usually cauliflorous, the receptacle 1-10 cm diam. when dry, areoles mostly with minute hairs on the rims |
| 9 | Lateral veins 3-6(-7) pairs |
| 9' | Lateral veins 6-10 pairs |
| 10 | Basal lateral veins up to 1/6-1/4 the length of the lamina, (faintly) branched; fig receptacle ellipsoid, the basal bracts 4-6 mm long |
| 10' | Basal lateral veins up to 1/10-1/6 the length of the lamina, unbranched; fig receptacle depressed-globose, the basal bracts 1.5-2.5 mm long |
| 11 | Figs axillary or just below the leaves, often clustered, the receptacle 0.4-0.8 cm diam. when dry; rims of the areoles without hairs |
| 11' | Figs mostly cauliflorous and/or the receptacle more than 1 cm diam. when dry; the rims of the areoles with hairs |
| 12 | Basal lateral veins up to c. 1/5-1/3 the length of the lamina; basal bracts (sub)-persistent |
| 12' | Basal lateral veins up to c. 1/3-1/2 the length of the lamina; basal bracts caducous |
| 13 | Petiole (3-)4-13 cm long and stipules 1.5-5 cm long; figs cauliflorous |
| 13' | Petiole 1-4 cm long, if up to 5 cm long, then the stipules 1-1.5 cm long, or if up to 10 cm long, then the figs not cauliflorous |
| 14 | Lateral veins 3-6 pairs; lamina 2-12 cm long |
| 14' | Lateral veins 6-10 pairs; lamina mostly longer than 10 cm |
| 15 | Venation of the lamina ± impressed above |
| 15' | Venation flat or the midrib (at least its upper part) slightly prominent above |
| 16 | Fig receptacle 5-6 cm diam. when dry; stipules usually 1-1.7 cm long |
| 16' | Fig receptacle 1.5-2.5 cm diam. when dry; stipules usually 0.4-1 cm long |
| 17 | Lamina ± asymmetric |
| 17' | Lamina (almost) symmetric |
| 18 | Lamina 4-9 cm long; petiole 0.5-1.5(-2) cm long; fig receptacle c. 1 cm diam. when dry |
| 18' | Lamina 1-3.5 cm long; petiole 0.3-0.4 cm long; fig receptacle 0.2-0.3 cm diam. when dry |
| 19 | Lamina usually 10-20(-30) cm long, the petiole 1-7.5 cm long, the stipules mostly longer 1 cm, and/or the tertiary venation mostly (sub)scalariform |
| 19' | Lamina usually less than 10 cm long, the petiole and/or the stipules mostly up to 1 cm, and the tertiary venation distinctly reticulate |
| 20 | 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 |
| 20' | 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 |
| 21 | Peduncle 1-1.3 cm long; apex of lamina subacuminate acute; lamina 7-9 cm long |
| 21' | Peduncle 0-0.4 cm long; apex of lamina rounded to shortly and bluntly acuminate, or if subacute then the lamina usually 1-5 cm long |
| 22 | Petiole usually 0.3-1 cm long; fig receptacle usually 0.3-0.6 cm diam. when dry, the basal bracts usually caducous |
| 22' | Petiole usually 1-2 cm long; fig receptacle 0.6-0.8 cm diam. when dry, the basal bracts persistent |
| 23 | Indumentum partly consisting of uncinate hairs |
| 23' | Indumentum without uncinate hairs |
| 24 | Basal bracts persistent |
| 24' | Basal bracts caducous |
| 25 | Lateral veins 10-16 pairs |
| 25' | Lateral veins 3-10 pairs |
| 26 | Lamina ± scabrous above |
| 26' | Lamina smooth above |
| 27 | Lamina ± scabrous beneath, by very sparse and/or minute (cystolith) hairs |
| 27' | Lamina smooth beneath, or if scabridulous, then distinctly hairy |
| 28 | Lamina glabrous |
| 28' | Lamina hairy, at least beneath, at least sparsely so on the midrib |
| 29 | Lateral veins usually 6-10 pairs |
| 29' | Lateral veins usually 3-6 pairs |
| 30 | Lateral veins and smaller veins of the lamina prominent beneath; the hairs on the lamina often ± patent |
| 30' | Lateral veins of the lamina slightly prominent, the smaller veins (almost) flat; the hairs on the lamina appressed |
| 31 | Petiole 0.3-1.5 cm long; fig receptacle 0.4-1 cm diam. when dry |
| 31' | Petiole 1.5-7.5 cm long; fig receptacle 1-2.5 cm diam. when dry |
| 32 | Lamina ± scabrous beneath, with very sparse and or minute (cystolith) hairs |
| 32' | Lamina smooth beneath, or if scabridulous, then distinctly hairy |
| 33 | Lateral veins 6-10 pairs |
| 33' | Lateral veins 3-6 pairs |
| 34 | Lateral veins and smaller veins of the lamina prominent beneath; the hairs on the lamina often ± patent |
| 34' | Lateral veins of the lamina slightly prominent, the smaller veins (almost) flat; the hairs on the lamina appressed |
| 35 | Leafy twigs sparsely (and minutely) hairy |
| 35' | Leafy twigs densely hairy |
| 36 | Petiole 1-3 cm long; fig receptacle 0.3-0.7 cm long stipitate; ostiole flat to slightly prominent |
| 36' | Petiole 0.3-1.2 cm long; fig receptacle 0-0.1 cm long stipitate; ostiole ± sunken |
