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Montana Field Guide

Montana Field Guides

Mountain Peppergrass - Lepidium montanum

Status Under Review

Global Rank: G5?
State Rank: SU

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value:

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General Description
Taprooted biennial or short-lived perennial. Stems prostrate to ascending, branched, 10–20 cm. Basal leaves 3–10 cm long, petiolate, the blade lanceolate, pinnately lobed with dentate margins. Stem leaves similar, reduced upward. Vestiture of short, thick hairs. Flowers white; petals 2–3 mm long; stamens 6. Fruit ovate, glabrous, 2–4 mm long, notched; style 0.2–0.7 mm long; pedicels glabrous, spreading, 3–8 mm long. Our plants are var. montanum (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
In Beaverhead County; OR to MT south to CA, AZ and NM (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat

References
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Citation for data on this website:
Mountain Peppergrass — Lepidium montanum.  Montana Field Guide.  .  Retrieved on , from