Polemonium vanbruntiae is a perennial herb to 1 m tall, erect, upper internodes elongate.
Leaves alternate, pinnately compound, leaflets 7-17, narrow, 2-4 cm long, tips pointed.
Flowers blue, regular, to 2 cm long, 5 petal lobes, stamens longer than funnel-shaped petal tube.
Wetland status: FACW.
Frequency in NYC: NYS Rare, G3, S3, T. Possibly still at one location.
Habitat: Wet woods, swamps, stream banks.