Blooms: April-June
Habit: herb
Duration: annual
Origin: Introduced
Distribution: Occurring chiefly east of the Cascades crest in Washington; widely distributed throughout much of North America.
Habitat: Roadsides, fields, and other disturbed sites.
Habit: herb
Duration: annual
Origin: Introduced
Distribution: Occurring chiefly east of the Cascades crest in Washington; widely distributed throughout much of North America.
Habitat: Roadsides, fields, and other disturbed sites.
Species Description:
General: Annual with appressed, aligned hairs, the stems 1-7 dm. tall, simple or sparsely branched, often with several stems from the base, the central one the largest.
Leaves: Lowermost leaves oblanceolate and early-deciduous; other leaves oblong or lanceolate, sessile, 1.5-6 cm. long and 2-15 mm. wide.
Flowers: Flowers on very short pedicels, obliquely set in the axils of reduced upper leaves; calyx 5-lobed, deeply cleft; corolla white or bluish-white, 5-8 mm. long, funnel-shaped, 5-lobed, the tube with 5 hairy lines within; fornices absent.
Fruits: Nutlets 4, basally attached, gray-brown, 3 mm. long, wrinkled and pitted.
General: Annual with appressed, aligned hairs, the stems 1-7 dm. tall, simple or sparsely branched, often with several stems from the base, the central one the largest.
Leaves: Lowermost leaves oblanceolate and early-deciduous; other leaves oblong or lanceolate, sessile, 1.5-6 cm. long and 2-15 mm. wide.
Flowers: Flowers on very short pedicels, obliquely set in the axils of reduced upper leaves; calyx 5-lobed, deeply cleft; corolla white or bluish-white, 5-8 mm. long, funnel-shaped, 5-lobed, the tube with 5 hairy lines within; fornices absent.
Fruits: Nutlets 4, basally attached, gray-brown, 3 mm. long, wrinkled and pitted.
Accepted Name:
Lithospermum arvense L.Synonyms:
Buglossoides arvensis (L.) I.M. Johnston
Treated in Flora of the PNW as:
Additional Resources:
PNW Herbaria Specimens: View list of Lithospermum arvense specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of Lithospermum arvense specimens in the WTU Herbarium database.
Washington Flora Checklist: Lithospermum arvense treatment.
E-Flora BC: Lithospermum arvense atlas page.
CalPhotos: Lithospermum arvense images.
USDA Plants Database: Lithospermum arvense.
Richard Old
Richard Old
Richard Old
Ben Legler, 2005
Ben Legler, 2005
Ben Legler, 2005
Ben Legler, 2005
Ben Legler, 2005
Richard Old
Don Knoke, 2008
Robert L. Carr, 2009
Robert L. Carr, 2009
G. D. Carr, 2010
G. D. Carr, 2010
G. D. Carr, 2010
G. D. Carr, 2010
Robert L. Carr, 2010
Craig Althen, 2011
Craig Althen, 2011
Craig Althen, 2011
Ray Izumi, 2010
Ray Izumi, 2010
Ray Izumi, 2010
Ray Izumi, 2010
Ron Bockelman, 2011
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 WA Native Plant Society |
