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Montana Field Guide

Montana Field Guides

Garden Pepper-grass - Lepidium sativum

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 1

External Links

General Description
Mostly glabrous and glaucous, taprooted annual. Stems erect, 20–80 cm, usually branched above. Basal leaves withered at anthesis. Stem leaves petiolate; blades oblanceolate, bipinnately lobed and toothed, 3–10 cm long, sessile above. Vestiture of sparse, simple hairs on upper leaf surfaces. Flowers white; petals 1.5–2.5 mm long; stamens 6. Fruit broadly eliptic, 4–6 mm long, winged and notched, glabrous; style 0.1–0.5 mm long; pedicels erect-ascending, glabrous, 2–5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

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

Summary of Observations Submitted for Montana
Number of Observations: 4

(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:
Garden Pepper-grass — Lepidium sativum.  Montana Field Guide.  .  Retrieved on , from