1	"Leaves opposite, simple or compound; petals 4, free or united"	2
1	"Leaves alternate or scattered, simple; petals 5, free"	4
2	"Petals united into a tubular or campanulate corolla, at least before expansion"	Correa
2	"Petals free, spreading"	3
3	"Stamens 4; disk distinctly 4-lobed"	Zieria
3	"Stamens 8; disk entire"	Boronia
4	"Ovary of completely fused carpels; fruit an indehiscent berry"	Eremocitrus
4	"Ovary of 2–5 more or less free carpels, united by a solitary style; fruit dehiscent, of distinct cocci"	5
5	"Stamens 5; trees or shrubs"	Geijera
5	"Stamens 10; small shrubs"	6
6	"Calyx inconspicuous; disk absent"	Asterolasia
6	"Calyx conspicuous; disk present or absent"	7
7	"Anthers with a sterile white apiculum; stamens erect"	Eriostemon
7	"Anthers with no sterile white apiculum (sometimes with a terminal gland); stamens spreading"	8
8	"Flowers sessile, forming a compact terminal head sub-tended by foliar bracts; ovary 2-carpellary"	Microcybe
8	"Flowers not in compact terminal heads subtended by foliar bracts; ovary 5-carpellary, rarely 2–4-carpellary"	Phebalium