Page authors: Don Knoke, David Giblin
Pentaglottis sempervirens
green alkanet

Distribution: Occurring west of the Cascades crest in Washington; southwestern British Columbia to California.

Habitat: Disturbed soil in forest edge and other shaded areas.

Flowers: April-July

Origin: Introduced from Europe

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies


Herbaceous perennial, the stem 3-8 dm. tall, stiff-hairy throughout.


Leaves alternate, the blades ovate, pointed, the lower petiolate, becoming sessile and reduced upward.


Flowers in tight clusters terminal on long peduncles from the leaf axils, the clusters closely subtended by a pair of leafy bracts; calyx 5-lobed, the lobes blunt; corolla 10 mm. wide, bright blue with a white center, the 5 lobes spreading, rounded


Nutlets 4; base of nutlet concave with thickened rim.

Accepted Name:
Pentaglottis sempervirens (L.) Tausch ex L.H. Bailey
Publication: Flora 12: 643. 1829.

Synonyms & Misapplications:
Anchusa sempervirens L.
Additional Resources:

PNW Herbaria: Specimen records of Pentaglottis sempervirens in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Pentaglottis sempervirens checklist entry

OregonFlora: Pentaglottis sempervirens information

E-Flora BC: Pentaglottis sempervirens atlas page

CalPhotos: Pentaglottis sempervirens photos

28 photographs:
Group by