Page authors: Don Knoke, David Giblin
Boechera microphylla
little-leaf rockcress, small-leaved rockcress
Specimens
Photos

Distribution: Occurring east of the Cascades crest in Washington; British Columbia to eastern Oregon, east to Montana and Wyoming.

Habitat: Low montane to subalpine.

Flowers: April-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies, butterflies

Description:
General:

Bunch-forming perennial with a multi-branched, somewhat woody base. Plants typically produce several erect, slender flowering stems 1-2 dm tall (sometimes up to 7 dm.). The stems often hairy.

Leaves:

Basal leaves narrow (2-3 cm. long by 2-4 mm. wide), somewhat toothed, and forming a rosette; stem leaves narrow (1-2.5 cm. wide by 2-5 mm. wide),without a petiole (sessile), and with ear-like extensions (auricles) at the base that somewhat wrap around the stem.

Flowers:

Petals pink to purplish, 5-8 mm. long; 3-25 flowers arranged along the upper portion of the flowering stem (inflorescence).

Fruits:

Silique.

Accepted Name:
Boechera microphylla (Nutt.) Dorn
Publication: Vasc. Pl. Wyoming ed. 3. 376. 2001.

Synonyms & Misapplications:
Arabis microphylla Nutt. [HC]
Arabis microphylla Nutt. var. microphylla [HC]
Additional Resources:

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

WA Flora Checklist: Boechera microphylla checklist entry.

OregonFlora: Boechera microphylla information.

E-Flora BC: Boechera microphylla atlas page.

CalPhotos: Boechera microphylla photos.

USDA Plants: Boechera microphylla information.

27 photographs:
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