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Montana Field Guide

Montana Field Guides

Stinking Wallrocket - Diplotaxis muralis
Other Names:  Annual Wallrocket

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

External Links






 
General Description
Taprooted biennial. Stems ascending, usually simple, 10–40 cm. Leaves mostly basal, petiolate, oblanceolate with dentate margins, 3–8 cm long. Vestiture of sparse, stiff retrorse hairs on the lower stem, otherwise glabrous. Inflorescence a few-flowered ebracteate raceme. Flowers pale yellow; petals 4–6 mm long. Fruit a linear silique, 1–4 cm × 1–2 mm, somewhat flattened; seeds in 2 rows per locule; style <2 mm long; pedicels spreading-ascending, 5–20 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Diagnostic Characteristics
Sparingly introduced throughout U.S.; native to Europe (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 10

(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
Sparsely vegetated, often calcareous soil of roadsides, railroads, streambanks; valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Stinking Wallrocket — Diplotaxis muralis.  Montana Field Guide.  .  Retrieved on , from