Page author: David Giblin
Boechera divaricarpa
spreadingpod rockcress

Distribution: Occurring on both sides of the Cascades crest in Washington, and in the Olympic Mountains; Alaska south to California, east to the Rocky Mountains.

Habitat: From middle elevations to subalpine areas in the mountains.

Flowers: June-August

Origin: Native

Conservation Status: Not of concern


Biennial or short-lived perennial from a simple or branched crown, with 1-several simple or upwardly branching, erect stems 2.5-8 dm. tall, pubescent at the base with appressed, 3-forked hairs and some simple hairs; generally glabrous above.


Leaves numerous, with a basal rosette of narrowly oblanceolate leaves 3-6 cm. long and 3-8 mm. wide, acute, narrowed to a slender petiole; cauline leaves alternate, strongly overlapping, sessile and auriculate, the upper glabrous, the lower as the basal.


Inflorescence of many-flowered racemes, greatly elongate in fruit; pedicles 7-15 mm. long, erect or spreading; sepals 4, 3-5 mm. long, glabrous; petals 4, pink to purplish-red, 6-9 mm. long; stamens 6; style lacking.


Siliques glabrous, usually spreading to erect, mostly straight, 3-8 cm. long and 1.5-2.5 mm. wide; seeds mostly in 1 series, 2 mm. long, with a wing 0.5 mm. broad.

Accepted Name:
Boechera divaricarpa (A. Nelson) Á. Löve & D. Löve
Publication: Bot. Not. 128: 513. 1976. 1976.

Synonyms & Misapplications:
Arabis ×divaricarpa A. Nelson [HC, Rollins 1993a]
Arabis divaricarpa A. Nels. var. divaricarpa [VPPNW2]
Additional Resources:

PNW Herbaria: Specimen records of Boechera divaricarpa in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Boechera divaricarpa checklist entry.

E-Flora BC: Boechera divaricarpa atlas page.

CalPhotos: Boechera divaricarpa photos.

USDA Plants: Boechera divaricarpa information.

6 photographs:
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