[The Phlox Family in Denali National Park and Preserve]

Tall Jacob's-ladder, Tall Jacob's Ladder

Polemonium acutiflorum

Synonym: Polemonium caeruleum ssp. villosum

Tall Jacob's-ladder, Tall Jacob's Ladder: Polemonium acutiflorum (Synonym: Polemonium caeruleum ssp. villosum)

A close-up frontal view of the flower of tall jacob's-ladder as seen from along the Park Road, Denali National Park and Preserve (either at Teklanika or near a large river crossing about 10 miles east of Polychrome)............June 15, 2012.

Tall Jacob's-ladder, Tall Jacob's Ladder: Polemonium acutiflorum (Synonym: Polemonium caeruleum ssp. villosum)

A close-up sideview of the flower of tall jacob's-ladder as seen from along the Park Road, Denali National Park and Preserve (either at Teklanika or near a large river crossing about 10 miles east of Polychrome)............June 15, 2012.

Flower of Tall Jacob's-ladder, Tall Jacob's Ladder: Polemonium acutiflorum (Synonym: Polemonium caeruleum ssp. villosum) - Tall Jacob's-ladder, Tall Jacob's Ladder: Polemonium acutiflorum (Synonym: Polemonium caeruleum ssp. villosum)

Tall jacob's ladder photographed amidst hordes of mosquitoes atop the ridge about 2 miles west of Wonder Lake Campground, Denali National Park and Preserve...........June 25, 2002.

Tall Jacob's-ladder, Tall Jacob's Ladder: Polemonium acutiflorum (Synonym: Polemonium caeruleum ssp. villosum)

Tall jacob's ladder photographed amidst hordes of mosquitoes and in a stiff breeze atop the ridge about 2 miles west of Wonder Lake Campground, Denali National Park and Preserve...........June 25, 2002.

Paul Slichter