Table 2. Geographical elements of seed plants at the family level in the flora of Hainan Island.

Geographical elements at family level	Number of family	%*
1 Cosmopolitan	45	23.0
2 Pantropic	84	42.9
3 Tropical Asia and Tropical America disjunct	13	6.6
4 Old World Tropic	9	4.6
5 Tropical Asia to Tropical Australia	7	3.6
6 Tropical Asia to Tropical Africa	3	1.5
7 Tropical Asia	7	3.6
Tropical elements (types 2–7) in total	123	62.8
8 North Temperate	20	10.2
9 East Asia and North America disjunct	6	3.1
10 East Asia	2	1.0
Temperate elements (types 8–10) in total	28	14.3
Total number of families	196	100

*The number of families in each geographical element/ the number of families of all geographical elements times 100.