1	"Leaves peltate"	2
1	"Leaves non-peltate, but often broadly cordate"	3
2	"Leaves dentate; upper and lower leaf surfaces with moderate to dense indumentum; achenes ovoid, not or hardly compressed, warted"	"Dendrocnide moroides"
2	"Leaves denticulate; upper surface subglabrous to glabrous; achenes flattened, smooth"	"Dendrocnide peltata"
3	"Lower leaf surface glabrous or with hairs only on the veins"	4
3	"Lower leaf surface moderately to densely hairy"	6
4	"Female flowers in loose fascicles, on non-fleshy pedicles that are usually not curved; Christmas Island"	"Dendrocnide sinuata"
4	"Female flowers fasciculate to glomerulate, pedicles usually fleshy and distinctly curved; mainland Australia"	5
5	"Leaf blade elliptical to narrowly elliptic, 4-7.5 times longer than wide"	"Dendrocnide corallodesme"
5	"Leaf blade broadly elliptical to ovate, 1.6-2.5 times longer than wide"	"Dendrocnide photinophylla"
6	"Leaf margins regularly dentate or denticulate; mature infructescences white"	"Dendrocnide cordifolia"
6	"Leaf margins entire or crenulate; mature infructescences purple"	"Dendrocnide excelsa"