– Leaves entire ... 3.
2. Plants perennial, leaves dissected to numerous lanceolate lobes ... Polemonium L.—Jacob's ladder.
– Annual plants, leaves with narrow lobes ... Gilia L.—Gilia.
3(1). The compact inflorescence is surrounded by leaflike bracts ... Collomia Nutt.—Collomia.
– The sparse inflorescence without specialised bracts ... Plox L.—Phlox, Sweet-william.