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Photographer: June M. Dobberpuhl
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Family Polemoniaceae
Polemonium occidentale Greene subsp. lacustre Wherry
western Jacob's-ladder, western polemonium
Polemonium: may have derived from the Greek philosopher Polemon
occidentale: from Latin occidentalis meaning "western"
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| Status: | Endangered |
| Plant: | erect, perennial, up to 40" tall forb; single stem |
| Flower: | blue, 5-parted, 1/3"-2/3" wide, bell-shaped, lobes longer than the tube; inflorescence a long, narrow, branched cluster (thyrse) of several smaller, branched, stalked clusters; blooms July |
| Leaf: | alternate; pinnately-divided, lower leaves with 1-27 leaflets 1/3"-1 1/2" long, getting smaller toward the top |
| Habitat: | conifer swamps |
| (Glossary) |
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