1	"Leaves compound, 3- to 9-foliolate"	Argyrodendron
1	"Leaves simple"	2
2	"Petiole 5-12% length of lamina; dense silvery appressed scales on underside of leaf"	Heritiera
2	"Petiole 20-100% of lamina length; silvery scales absent from underside of leaves"	3
3	"Fruit woody or leathery follicle with >5 seeds"	4
3	"Fruits membranous or flimsy-walled, with 1-5 seeds"	5
4	"Seed coat and inside of fruit hirsute"	Brachychiton
4	"Seed coat and inside of fruit glabrous"	Sterculia
5	"Leaves glabrous; seeds glabrous"	Franciscodendron
5	"Underside of leaves with dense stellate indumentum; seeds stellate-tomentose"	Firmiana