• WordNet 3.6
    • n polemonium any plant of the genus Polemonium; most are low-growing often foul-smelling plants of temperate to Arctic regions
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Webster's Revised Unabridged Dictionary
    • n Polemonium (Bot) A genus of gamopetalous perennial herbs, including the Jacob's ladder and the Greek valerian.
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Webster's Revised Unabridged Dictionary
NL., fr. Gr. a kind of plant


In literature:

Polemonium caeruleum (Jacob's Ladder) .
"Handbook to the Severn Valley Railway Illustrative and Descriptive of Places along the Line from Worcester to Shrewsbury" by J. Randall
Polemonium, from its numerous leaflets arranged in pairs, has received the picturesque name of Jacob's ladder.
"Springtime and Other Essays" by Francis Darwin
Abscess-root (Polemonium Reptans L.) is another root with which serpentaria is often adulterated.
"Ginseng and Other Medicinal Plants" by A. R. (Arthur Robert) Harding
Phlox or Polemonium Family.
"The Wild Flowers of California: Their Names, Haunts, and Habits" by Mary Elizabeth Parsons