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Montana Field Guide

Montana Field Guides

Lenspod Whitetop - Lepidium chalepense
Other Names:  Chalapra Hoarycress, Lens-pod Hoarycress, Cardaria draba ssp. chalepensis, Cardaria chalepensis

Non-native Species

Global Rank: GNRTNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 0

External Links

General Description
Rhizomatous perennial. Stems erect, simple, 20–60 cm. Basal leaves oblong to oblanceolate, dentate, 3–12 cm long. Stem leaves auriculate clasping. Vestiture pubescent with simple hairs below, glabrous in the inflorescence. Flowers white; petals 3–4 mm long; stamens 6. Fruits compressed globose, glabrous, 2–5 mm long, not notched; style 1–2 mm long, pedicels 8–15 mm long, glabrous (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

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

Observations in Montana Natural Heritage Program Database
Number of Observations: 102

(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:
Lenspod Whitetop — Lepidium chalepense.  Montana Field Guide.  .  Retrieved on , from