1	"Flower solitary; perianth usually more than 20 mm long, tepals fused into a tube c. 15 mm long."	Ipheion
1	"Inflorescence an umbel; perianth usually less than 15 mm long, tepals free or slightly united at base."	2
2	"Plants with an onion- or garlic-like odour when crushed; ovules usually 2 per loculus; style gynobasic."	Allium
2	"Plants with little or no onion- or garlic-like odour when crushed; ovules usually 4–12 per loculus; style terminal"	Nothoscordum