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Montana Field Guide

Montana Field Guides

Wind-river Rockcress - Boechera saximontana
Other Names:  Arabis pendulocarpa var. saximontana, Arabis williamsii var. saximontana, Arabis microphylla var. saximontana

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Status Under Review
Native Species

Global Rank: G3
State Rank: SU

Agency Status


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General Description
Perennial from a usually simple or weakly branched caudex. Stems 10–25 cm, terminal. Basal leaves oblanceolate, 7–20 mm long with entire margins. Stem leaves narrowly lanceolate to narrowly elliptic, auriculate. Vestiture of sparse to moderately dense, mostly stalked, branched hairs on basal leaves, becoming glabrous above. Petals purple, 4–6 mm long. Fruits ascending, 2–4 cm long, ca. 2 mm wide; seeds wing-margined, in ca. 1 row per locule (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Reported for Park County; also ID and WY (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).


  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Aho, Ken Andrew. 2006. Alpine and Cliff Ecosystems in the North-Central Rocky Mountains. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 343 p.
  • Web Search Engines for Articles on "Wind-river Rockcress"
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Citation for data on this website:
Wind-river Rockcress — Boechera saximontana.  Montana Field Guide.  .  Retrieved on , from