1	"Plants annual herbs; flowers solitary, in the leaf axils; valves of capsules with an apical horn"	2
1	"Plants perennial herbs or shrublets; flowers in terminal panicles; valves or capsules not horned"	3
2	"Leaves entire or almost so; bracteoles absent; seeds with scattered tubercles"	"Hermannia modesta"
2	"Leaves serrate; bracteoles present at base of pedicels, about 0.5 mm long; seeds desnely granular"	"Hermannia testacea"
3	"Capsules 1.5-2 mm long, with 1 seed per cell; petals shorter than the calyces"	"Hermannia paniculata"
3	"Capsules 7-15 mm long, with several seeds per cell; petals equalling or longer than the calyces"	4
4	"Stipules ovate with cordate bases; petals spreading at anthesis; seeds tuberculate"	"Hermannia exappendiculata"
4	"Stipules linear; petals reflexed at anthesis; seeds not tuberculate"	"Hermannia boranensis"