1	"Fertile stamens 3(4) "	"Bauhinia purpurea"
1	"Fertile stamens 5 "	2
2	"Petals obovate, mostly 3.5–5 cm long "	"Bauhinia variegata"
2	"Petals narrowly obovate, mostly 8–10 cm long "	"Bauhinia ×blakeana"