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Hybrid Rockcress - Boechera divaricarpa
Other Names:
Arabis divaricarpa, Arabis x divaricarpa
Native Species
Global Rank:
G5
State Rank:
SNA
C-value:
Agency Status
USFWS:
USFS:
BLM:
External Links
General Description
Biennial or short-lived perennial (monocarpic) with a simple caudex.. Stems to 80 cm, terminal. Basal leaves petiolate, oblanceolate, 1–4 cm long. Stem leaves narrowly lanceolate, auriculate-clasping. Vestiture appressed simple and 3-branched hairs on lower stems and basal leaves, glabrous above. Flowers pink to purple; petals 7–11 mm long. Fruit 15–80 mm × 1.5–2 mm, straight to slightly arcuate; pedicels glabrous, spreading at maturity; seeds with an apical wing 0.3 mm wide, in 1 or 2 irregular rows (
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, CO, IA and VT (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 5
(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
Often shallow soil of open forest, steppe, grasslands, rock outcrops; montane, lower subalpine (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Stewardship Responsibility
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?
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.
- 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.
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