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Montana Field Guide

Montana Field Guides

Branched Pepper-grass - Lepidium ramosissimum

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Native Species

Global Rank: G5
State Rank: SNR
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

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General Description
Annual or biennial. Stems erect, 7–50 cm, copiously branched. Basal leaves petiolate, oblanceolate, pinnatifid, withering early. Stem leaves 12–50 mm long, dentate, becoming linear and entire above. Vestiture of small simple hairs. Flowers white; petals ca. 1 mm long or lacking; stamens 2. Fruit narrowly elliptic, glabrous or sparsely short-hairy, 2.5–3 mm long, narrowly notched; style lacking; pedicels spreading, puberulent, 2–4 mm long. (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

In Montana we have varieties ramosissimum and bourgeauanum (Thell.) Rollins

Range Comments
AK to NL south to CA, UT and CO (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 12

(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
Disturbed soil of grassland, steppe, roadsides; plains, valleys, montane (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

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?
    • 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.
    • Meier, G.A. 1997. The colonization of Montana roadsides by native and exotic plants. M.Sc. Thesis. Bozeman, MT: Montana State University. 45 p.
  • Web Search Engines for Articles on "Branched Pepper-grass"
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Citation for data on this website:
Branched Pepper-grass — Lepidium ramosissimum.  Montana Field Guide.  .  Retrieved on , from