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Second Rockcress - Boechera retrofracta
Other Names:
Arabis holboellii var. retrofracta, Boechera holboellii var. secunda
General Description
Biennial or short-lived perennial with a simple or sometimes branched caudex. Stems to 70 cm, terminal. Vestiture of dense, fine, branched hairs on basal leaves and stems. Basal leaves oblong to oblanceolate with entire to toothed margins, 1–3 cm long. Stem leaves narrowly lance-shaped, auriculate- clasping. Flowers white to purple; petals 5–9 mm long. Fruit 3–8 cm × 1.5–2 mm, straight to slightly curved; pedicels gently to sharply reflexed, glabrous or hairy; seeds narrowly wing-margined, in 1 row per locule (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Species Range
Montana Range
Range Descriptions
Native
Range Comments
AK to QC, south to CA, NV, UT, CO, SD and MI (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 53
(Click on the following maps and charts to see full sized version)
Map Help and Descriptions
Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
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?
Ament, R.J. 1995. Pioneer Plant Communities Five Years After the 1988 Yellowstone Fires. M.Sc. Thesis. Bozeman, MT: Montana State University. 216 p.- Boggs, K. W. 1984. Succession in riparian communities of the lower Yellowstone River, Montana. M.S. Thesis. Montana State University, Bozeman, 107 pp.
- Buchanan, B.A. 1972. Ecological effects of weather modification, Bridger Range area, Montana: relationship of soil, vegetation, and microclimate. Ph.D. Dissertation. Montana State University, Bozeman. 130 p.
- Clark, D. 1991. The effect of fire on Yellowstone ecosystem seed banks. M.Sc. Thesis. Montana State University, Bozeman. 115 pp.
- Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
- Eggers, M.J.S. 2005. Riparian vegetation of the Montana Yellowstone and cattle grazing impacts thereon. M.Sc. Thesis. Montana State University, Bozeman, MT. 125 p.
- 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.
- Sater, S. 2022. The insects of Sevenmile Creek, a pictorial guide to their diversity and ecology. Undergraduate Thesis. Helena, MT: Carroll College. 242 p.
- Seipel, T.F. 2006. Plant species diversity in the sagebrush steppe of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 87 p.
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