Definition of "polemonium" [polemonium]

• Any of the genus Polemonium of gamopetalous perennial herbs. (noun)

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• "The pretty pinnate leaves of the blue-flowered polemonium are sufficient explanation for the common name Jacobs-ladder, even though that name does not properly belong to our species."
• "One of the most attractive and beautiful of these alpine flowers is the blue honeysuckle or polemonium, about an inch in height."