Mertensia bella is a species of flowering plant in the borage family known by the common names beautiful bluebells and Oregon lungwort. It is native to the northwestern United States, where it grows in wet mountain habitat. It is a perennial herb producing a slender, erect stem and caudex unit up to half a meter tall. The rough-haired leaves are alternately arranged and borne on petioles. The inflorescence is an open array of clustered bright blue, bell-shaped flowers up to a centimeter wide at the lobed mouths.

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Mertensia bella
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Boraginales
Family:	Boraginaceae
Genus:	Mertensia
Species:	M. bella
Binomial name
Mertensia bella Piper

External links

• Jepson Manual Treatment of Mertensia bella
• Mertensia bella — U.C. Photo gallery

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