1	"Leaves spirally twisted"	2
1	"Leaves not spirally twisted"	5
2	"Flower clusters axillary, always of 2 flowers"	"Dillwynia floribunda"
2	"Flower clusters terminal or in upper axils, of 1–few flowers"	3
3	"Leaves with stiff hairs, at least at the tip"	"Dillwynia phylicoides"
3	"Leaves hairless"	4
4	"Leaves 2–12 mm long, if less than 5 mm long then flower stalks more than 4 mm long"	"Dillwynia retorta"
4	"Leaves to 4 mm long; flower stalks less than 4 mm long"	"Dillwynia parvifolia"
5	"Stems densely hairy; flower clusters axillary, 2-flowered; flowers stalkless"	"Dillwynia sericea"
5	"Stems hairless or with few hairs; flower clusters terminal and/or axillary towards the stem tips, of 1–9 flowers"	6
6	"Leaves with a sharp point, at least 1mm long; flowers not or hardly stalked"	"Dillwynia juniperina"
6	"Leaves not needle-pointed; flowers on a stalk to 2 cm long"	"Dillwynia glaberrima"