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Montana Field Guides

African Adder's-mouth - Malcolmia africana
Other Names:  African Mustard, Strigosella africana

Non-native Species

Global Rank: GNR
State Rank: SNA
C-value: 0

Agency Status


External Links

General Description
Annual. Stems 5–30 cm, often branched. Leaves cauline, petiolate; blade lanceolate to oblanceolate, dentate, 4–8 cm long. Vestiture of branched hairs. Inflorescence a raceme, ebracteate above. Flowers pink to rose,; petals 6–10 mm long, clawed. Fruit a straight or slightly curved silique, 4–6 cm long, erect or spreading on pedicels, ca. 1 mm long; seeds in 1 row per locule (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions


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

Observations in Montana Natural Heritage Program Database
Number of Observations: 48

(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)



  • 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?
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
  • Web Search Engines for Articles on "African Adder's-mouth"
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Citation for data on this website:
African Adder's-mouth — Malcolmia africana.  Montana Field Guide.  .  Retrieved on , from