| S/N | Species name | Sub-epidermis | Mesophyll | Crystal type | Group | |||
| Adaxial | Abaxial | Spongy | Palisade | Druse | Sand | |||
| 1 | C. mooreanum Exell. | + | + | + | + | + | − | A |
| 2 | C. paniculatum Vent | + | + | + | + | + | − | A |
| 3 | C. bracteatum (Laws.) Engl. and Diels. | − | + | + | + | + | − | B |
| 4 | C. collinum subsp. binderianum (Diels.) Okafor | − | + | + | + | + | − | B |
| 5 | C. micranthum G. Don. | − | + | + | + | + | − | B |
| 6 | C. platypterum (Welw.) Hutch. and Dalz. | − | + | + | + | + | − | B |
| 7 | C. collinum Fresen. subsp. hypopilinum (Diels.) Okafor | − | − | + | + | + | − | C |
| 8 | C. cuspitatum Planch ex Benth. | − | − | + | + | + | − | C |
| 9 | C. glutinosum Perr. Ex DC. | − | − | + | + | + | − | C |
| 10 | C. lamprocarpum Diels | − | − | + | + | + | − | C |
| 11 | C. sordidum Exell. | − | − | + | + | + | − | C |
| 12 | C. zenkeri Engl. and Diels. | − | − | + | + | + | − | C |
| 13 | Combretum sp. 4 | − | − | + | + | + | − | C |
| 14 | C. confertum Laws | − | + | + | − | + | − | D |
| 15 | C. constrictum (Benth.) Laws | − | + | + | − | + | − | D |
| 16 | C. insulare Engl. and Diels. | − | + | + | − | + | − | D |
| 17 | C. dolichopetalum Engl. and Diels. | + | − | − | + | + | − | E |
| 18 | Combretum sp. 2 | − | + | − | + | + | − | F |
| 19 | C. hispidum Laws | − | − | + | − | + | − | G |
| 20 | C. racemosum P. Beauv. | − | − | + | − | + | − | G |
| 21 | Combretum sp. 3 | − | − | + | − | + | − | G |
| 22 | Combretum sp. 1 | − | − | + | + | − | + | H |