1	"Biennial or perennial herb from +- woody taproot or branched caudex"	"Phacelia Group 1"
1	"Annual from slender taproot"	2
2	"Most cauline leaf blades deeply lobed to compound (some sinuses reaching midrib)"	"Phacelia Group 2"
2	"Most cauline leaf blades entire to shallowly lobed (proximal-most sometimes deeply few-lobed at base, but sinuses generally not reaching midrib)"	"Phacelia Group 3"