1	"Petioles less than half length of lamina; underside of leaves with dense to very dense cover of stellate hairs; pedicels and calyx stellate-hairy"	"Thespesia thespesioides"
1	"Petioles more than half length of lamina; underside of leaves with minute circular scales, or glabrous; pedicels and calyx with minute scales"	2
2	"Leaves without domatia or with 2-4 inconspicuous domatia near junction of lamina and petiole, domatia not raised, being roofed-over vein angles; pedicels jointed near the base, with 2 deciduous bracts; fruit indehiscent; hairs on seed surface slender, acute"	"Thespesia populnea"
2	"Leaves with 3-7 conspicuous raised 'pocket' domatia near junction of lamina and petiole; pedicels not jointed and without bracts; outer layer of fruit dehiscent; hairs on seed surface short and clavate with obtuse apex"	"Thespesia populneoides"