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Montana Field Guide

Montana Field Guides

Elegant Rockcress - Boechera sparsiflora
Other Names:  Arabis sparsiflora

Status Under Review
Native Species

Global Rank: G5
State Rank: SU

Agency Status
MNPS Threat Rank:

External Links

General Description
Biennial or short-lived perennial with a simple to rarely sparingly branched caudex. Stems to 75 cm, terminal. Basal leaves oblanceolate, 1–4 cm long with entire margins. Stem leaves lanceolate, slightly auriculate. Vestiture of dense, small, branched hairs on basal leaves and stem base, glabrous above. Petals white or purple, 5–10 mm long. Fruits 3–8 cm × 1.5–2 mm, arcuate; pedicels glabrous or with simple hairs, ascending to weakly descending; seeds narrowly wing-margined, in 1 row per locule (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
BC, MT, south to CA, UT and WY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 6

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Grasslands and dry, open forests; valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Fogelsong, M.L. 1974. Effects of fluorides on Peromyscus maniculatus in Glacier National Park. M.Sc. Thesis. Bozeman, Montana: Montana State University. 52 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
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Citation for data on this website:
Elegant Rockcress — Boechera sparsiflora.  Montana Field Guide.  .  Retrieved on , from