iNat·51704SpeciesPlantae7,684 field observationsThe Nature Library · Open stacks
- Plants
- ›Vascular Plants
- ›flowering plants
- ›Dicots
- ›Heathers, Balsams, Primroses, and Allies
- ›phlox family
- ›Polemonium
Blue Jacob's Ladder
Polemonium caeruleum
Polemonium caeruleum, known as Jacob's-ladder or Greek valerian, is a hardy perennial flowering plant. The plant produces cup-shaped, lavender-coloured or white flowers. It is native to temperate regions of Europe.
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Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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Every page naming Polemonium caeruleum in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 51704.