Polemonium occidentale

P. occidentale subsp. occidentale

IMG_3961_flow

P. occidentale subsp. occidentale, Valley Co., ID. Showing densely glandular calyx and yellow anthers characteristic of this species. Notice the protandrous flowers (compare those on left with dehiscing anthers and those on right with expanded stigma lobes).

IMG_4162_basal

Basal leaves of P. occidentale subsp. occidentale, Gunnison Co., CO.  Note the relatively small length to width ratio of the leaflets in this subspecies.

P. occidentale subsp. lacustre

IMG_3739_habit_WISa

P. occidentale subsp. lacustre, Florence Co., WI.

IMG_3751_basal_a

P. occidentale subsp. lacustre, St. Loius Co., MN. Note the more narrow leaflets as compared to subsp. occidentale.

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