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Montana Field Guide

Montana Field Guides

Perrenial Pepperweed - Lepidium latifolium
Other Names:  Tall Pepperweed, Broadleaf Pepperweed, Broadleaved Pepperweed, Broad-leaf Pepper-grass, Broadleaf Peppergrass

Noxious Weed: Priority 2A
Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 0

External Links

General Description
Glabrous, rhizomatous perennial. Stems 40–100 cm, erect, branched. Basal leaves petiolate; the blade narrowly elliptic, serrate, withered by flowering time. Stem leaves becoming sessile. Flowers white; petals 1.5–2 mm long; stamens 6. Fruit ovate, 2–3 mm long, pubescent, not notched; style up to 0.1 mm long; pedicels 2–5 mm long, ascending, glabrous (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced throughout temperate North America; native to Eurasia (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 958

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)



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Citation for data on this website:
Perrenial Pepperweed — Lepidium latifolium.  Montana Field Guide.  .  Retrieved on , from