[Jacob's Ladders: The Genus Polemonium East of the Cascade Mts. of Oregon and Washington]

Washington Polemonium, Washington Jacob's Ladder

Polemonium pectinatum

Close-up of a flower of Washington Polemonium, Washington Jacob's Ladder: Polemonium pectinatum

The photo above shows a close-up view of a flower of Washington polemonium as seen in Lincoln County, Washington............April 28, 2007.

Close-up of the calyx and outside of the petals of Washington Polemonium, Washington Jacob's Ladder: Polemonium pectinatum

The photo above shows a close-up sideview of the calyx of Washington polemonium as seen in Lincoln County, Washington............April 28, 2007. Note the numerous gland-tipped hairs covering the outer surface of both the calyx and corolla lobes.

Pinnately compound leaf of Washington Polemonium, Washington Jacob's Ladder: Polemonium pectinatum

The photo above shows a close-up view of the long, linear leaflets of the pinnately compound leaf of Washington polemonium as seen in Lincoln County, Washington............April 28, 2007.

Washington Polemonium, Washington Jacob's Ladder: Polemonium pectinatum - Washington Polemonium, Washington Jacob's Ladder: Polemonium pectinatum

Additional close-up views of Washington polemonium as seen in Lincoln County, Washington...........April 28, 2007.

Close-up of a flower of Washington Polemonium, Washington Jacob's Ladder: Polemonium pectinatum - Close-up of the calyx of Washington Polemonium, Washington Jacob's Ladder: Polemonium pectinatum

Pinnately compound leaf of Washington Polemonium, Washington Jacob's Ladder: Polemonium pectinatum - Habitat of Washington Polemonium, Washington Jacob's Ladder: Polemonium pectinatum

Additional close-up views of Washington polemonium as seen in Lincoln County, Washington............May 8, 2012.

Paul Slichter