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Montana Field Guide

Montana Field Guides

Elegant Rockcress - Boechera pauciflora
Other Names:  Arabis sparsiflora var. subvillosa, Arabis sparsiflora var. columbiana

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Status Under Review
Native Species

Global Rank: G5?
State Rank: SU
C-value:


Agency Status
USFWS:
USFS:
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General Description
Biennial or short-lived perennial with a simple to few-branched caudex. Stems 20–50 cm, terminal. Basal leaves oblanceolate, 2–4 cm long with dentate margins. Stem leaves linear-lanceolate, auriculate. Vestiture of dense, small, branched hairs on basal leaves and stem base, becoming glabrous above. Petals purple, 5–10 mm long. Fruits 25–50 × =1 mm, arcuate; pedicels with branched hairs, ascending to weakly descending; seeds narrowly wing-margined, in 1 row per locule (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Phenology
Flowering in May and June.

Range Comments
Collected in Missoula County; BC, MT south to CA, NV, UT and WY (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat

References
  • 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?
    • Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
    • Hawkins, P.H. 1903. The alpine flora of Montana. M.Sc. Thesis, Bozeman, MT: Montana State University. 24 pp.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
  • Web Search Engines for Articles on "Elegant Rockcress"
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Citation for data on this website:
Elegant Rockcress — Boechera pauciflora.  Montana Field Guide.  .  Retrieved on , from