Blooms: March-May
Habit: herb
Duration: annual
Origin: Introduced from Eurasia
Distribution: Widely distributed througout Washington; widely distributed throughout North America.
Habitat: Disturbed areas, particularly near cities and towns.
Habit: herb
Duration: annual
Origin: Introduced from Eurasia
Distribution: Widely distributed througout Washington; widely distributed throughout North America.
Habitat: Disturbed areas, particularly near cities and towns.
Species Description:
General: Annual, the erect stem simple to freely-branched, 1-4 dm. tall, glabrous above but pubescent near the base with simple, spreading hairs.
Leaves: Leaves many in a basal rosette, oblanceolate, remotely serrulate, 1-4 cm. long, with stiff, simple and forked hairs; cauline leaves alternate, lanceolate, nearly sessile, 5-20 mm. long, the upper ones glabrous.
Flowers: Inflorescence of open, terminal, many-flowered racemes; pedicels slender, 5-10 mm. long; sepals 4, 1.5 mm. long; petals 4, white, 3 mm. long, narrowly obovate with a wedge-shaped base; stamens 6; style 0.1-0.4 mm. long.
Fruits: Siliques linear, glabrous, 10-15 mm. long and less than 1 mm. broad.
General: Annual, the erect stem simple to freely-branched, 1-4 dm. tall, glabrous above but pubescent near the base with simple, spreading hairs.
Leaves: Leaves many in a basal rosette, oblanceolate, remotely serrulate, 1-4 cm. long, with stiff, simple and forked hairs; cauline leaves alternate, lanceolate, nearly sessile, 5-20 mm. long, the upper ones glabrous.
Flowers: Inflorescence of open, terminal, many-flowered racemes; pedicels slender, 5-10 mm. long; sepals 4, 1.5 mm. long; petals 4, white, 3 mm. long, narrowly obovate with a wedge-shaped base; stamens 6; style 0.1-0.4 mm. long.
Fruits: Siliques linear, glabrous, 10-15 mm. long and less than 1 mm. broad.
Accepted Name:
Arabidopsis thaliana (L.) Heynh.Synonyms:
(none)
Treated in Flora of the PNW as:
Arabidopsis thaliana
Additional Resources:
PNW Herbaria Specimens: View list of Arabidopsis thaliana specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of Arabidopsis thaliana specimens in the WTU Herbarium database.
Washington Flora Checklist: Arabidopsis thaliana treatment.
E-Flora BC: Arabidopsis thaliana atlas page.
CalPhotos: Arabidopsis thaliana images.
USDA Plants Database: Arabidopsis thaliana.
Ben Legler, 2004
Ben Legler, 2004
Ben Legler, 2004
Ben Legler, 2003
Richard Old
G. D. Carr, 2008
G. D. Carr, 2008
G. D. Carr, 2008
Paul Slichter, 2009
Robert L. Carr, 2009
G. D. Carr, 2010
G. D. Carr, 2010
G. D. Carr, 2010
G. D. Carr, 2010
G. D. Carr, 2010
G. D. Carr, 2010
|
©2013 Burke Museum of Natural History and Culture. All Rights Reserved. Box 353010, University of Washington, Seattle, WA 98195-3010, Phone: 206-543-5590. On the UW campus at 17th Avenue NE and NE 45th Street. |
 WA Native Plant Society |
