1	"Rootstock a short rhizome"	Tulbaghia
1	"Rootstock a bulb"	2
2	"Ovary half-inferior; outer tepals 3–7-nerved"	Nectaroscordum
2	"Ovary superior; outer tepals 1-nerved"	3
3	"Tepals united into a long tube"	Ipheon
3	"Tepals more or less free or only very shortly united"	4
4	"Anther filaments not united"	Allium
4	"Anther filaments united"	Leucocoryne