Table 2 Characters and character states used for cluster analysis of fossil and extant Schima species.

From: Mummified Oligocene fruits of Schima (Theaceae) and their systematic and biogeographic implications

1. Pedicel length: >2 cm (0); 1–2 cm (1);

2. Bracteole number: >2(0); 2 (1)

3. Bracteole position: away from sepal(0); close to sepal(1)

4. Sepal width: ≤3 mm (0); >3 mm (1)

5. Sepal shape: orbicular(0); semiorbicular(1)

6. Fruit shape: subglobose (0); depress globose(1)

7. Fruit diameter: >2 cm (0); ≤2 cm (1)

8. Seed size (length): >10 mm (0); ≤10 mm (1)