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Key to Polemonium (Jacob's ladder)


Key to Wasatch-Bear Polemonium


1.
Stems 4-12 dm tall.
2
1.
Stems < 3 dm tall.
3



2.
Flowers blue to violet; plants with strong skunk smell (mephitic); commonly in meadows and adjacent to streams.
P. occidentale
2.
Flowers most often white to cream, but occasionally blue-violet; plants with slight odor, but not with strong skunk smell; commonly in upland communities.
P. foliosissimum



3.
Flowers white; plants annual; occurring at elevations below 4,900 ft.
P. micranthum
3.
Flowers pale to dark blue or violet occurring above 6,000 ft elevation.
4



4.
Leaves and leaflets very densely clustered; leaflets numerous; plants mephitic; most often above 10,000 ft elevation in spruce-fir and alpine communities, although one population has been found in Rich County at about 6,900 ft along Highway 39 about 9 miles west of Woodruff.
P. viscosum
4.
Leaves and leaflets not especially densely clustered; leaflets 7-25; plants not mephitic; most often in pine, spruce-fir, aspen, and subalpine forb-grass communities.
P. pulcherrimum

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