Fig 1.
The 18 included administrative units (city or county) of Hainan, China.
Table 1.
Counts of habits of endemic plants in Hainan.
Table 2.
Counts of life histories of endemic plants in Hainan.
Table 3.
Counts and percentages of flowering and fruiting periods of endemic plants in Hainan.
Fig 2.
The number of endemic species in each administrative unit (city or county) of Hainan, China.
Fig 3.
A linear regression analysis revealed that there was a weak but significant negative correlation between species richness and latitude across Hainan (r2 = 0.346, p = 0.010; Fig 3).
Table 4.
The phylogenetic diversity (PD), mean phylogenetic distance (MPD) and mean nearest phylogenetic taxon distance (MNTD) of endemic plants in 18 administrative units of Hainan, China.
Fig 4.
Results of non-metric multidimensional scaling (NMDS) analyses of the endemic species of 18 administrative units and the environmental variables.
Industry = industrial revenue.
Table 5.
Non-metric multidimensional scaling (NMDS) analyses of the endemic species in 18 administrative units and the environmental variables.
Table 6.
Results of generalized linear model (GLM) analyses between the phylogenetic diversity index and anthropogenic/natural environment variables.
Fig 5.
Some representatives of the endemic plant species of Hainan.
A, Rhamnus hainanensi Merr. et Chun (Rhamnaceae); B, Chunia bucklandioides H. T. Chang (Hamamelidaceae); C, Madhuca hainanensis Chun et How (Sapotaceae); D, Saccopetalum prolificum (Chun & F. C. How) Tsiang (Annonaceae).