1	"Leaves coarsely and deeply incised-toothed; corolla tubes 5-9 cm long, narrowly cylindric"	"Rotheca incisa"
1	"Leaves entire or toothed but not deeply incised; corolla tubes much shorter"	2
2	"Calyx lobes 3-4 mm long; leaves tapering below into petiole-like bases, true petioles about 1 mm long"	"Rotheca rupicola"
2	"Calyx lobes 1.5-3 mm long; leaves not as above, petioles 0-35 mm long"	3
3	"Calyx lobes not reflexed; corolla tubes 5-7 mm long; leaves usually less than 4 cm wide"	"Rotheca myricoides"
3	"Calyx lobes reflexed, at least in fruit; corolla tubes 8-10mm long; leaves often 4 cm or more wide"	"Rotheca sansibarensis"