1	"Perennial herb; calyx lobes rolled inward, plumose in age, pappus-like in fruit"	2
1	"Annual; calyx generally 0"	3
2	"Corolla generally +- purple-red, spur 4--6 mm; stamen 1; cauline leaves entire, base occasionally with small lobes"	"Centranthus {Centranthus ruber}"
2	"Corolla white to pink, throat swollen at base, spur 0; stamens 3; cauline leaves pinnately lobed to compound"	Valeriana
3	"Stem simple or unequally few-branched; corolla generally spurred; ovary 1-chambered"	Plectritis
3	"Stem equally, repeatedly forked; corolla throat +- swollen at base, spur 0; ovary(2)3-chambered"	Valerianella