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Montana Field Guide

Montana Field Guides

Hare's-ear Mustard - Conringia orientalis

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Non-native Species

Global Rank: GNR
State Rank: SNA
C-value: 1


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Glabrous and glaucous, taprooted annual. Stems erect, usually unbranched, 20–60 cm. Basal leaves petiolate, obovate with sinuate margins, 5–9 cm long, early deciduous. Stem leaves lanceolate, auriculate-clasping, 3–12 cm long. Inflorescence a few-flowered ebracteate raceme. Flowers cream to pale yellow; petals 9–13 mm long. Fruit a linear, 4-angled silique 5–12 cm × 1–2 mm, somewhat constricted between seeds, erect; seeds in 1 row per locule; pedicels ascending, 5–15 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Non-native
 


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

Observations in Montana Natural Heritage Program Database
Number of Observations: 51

(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
Disturbed soil of fields, grasslands, roadsides, eroding soil of badlands; plains, valleys (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Management

References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
    • Rundquist, V.M. 1973. Avian ecology on stock ponds in two vegetational types in north-central Montana. Ph.D. Dissertation. Bozeman, MT: Montana State University. 112 p.
  • Web Search Engines for Articles on "Hare's-ear Mustard"
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Citation for data on this website:
Hare's-ear Mustard — Conringia orientalis.  Montana Field Guide.  .  Retrieved on , from