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Medium pepperweed (Lepidium virginicum menziesii)

Description

42b. Lepidium virginicum Linnaeus subsp. menziesii (de Candolle) Thellung, Mitt. Bot. Mus. Univ. Z�rich. 28: 230. 1906. Lepidium menziesii de Candolle, Syst. Nat. 2: 539. 1821; L. bernardinum Abrams; L. californicum Nuttall; L. glaucum Greene; L. hirsutum Rydberg; L. idahoense A. Heller; L. intermedium var. pubescens Greene; L. medium Greene; L. medium var. pubescens (Greene) B. L. Robinson; L. occidentale Howell; L. robinsonii Thellung; L. simile A. Heller; L. virginicum var. californicum Jepson; L. virginicum var. medium (Greene) C. L. Hitchcock; L. virginicum var. menziesii (de Candolle) C. L. Hitchcock; L. virginicum var. pubescens (Greene) Thellung; L. virginicum var. robinsonii (Thellung) C. L. Hitchcock Fruiting pedicels flattened (at least proximal to apex), (0.2-)0.3-0.4 mm wide. Fruit valves glabrous or puberulent. Cotyledons incumbent or obliquely so. 2n = 32. Flowering Mar-Jun. Roadsides, bottomlands, gravelly and sandy shores, waste grounds, stream banks, grassy meadows, dry flats and stream beds, abandoned fields, woods, cliffs, plains, pastures, sagebrush and other desert shrub communities, dry mountain slopes; 700-2600 m; B.C.; Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Tex., Utah, Wash., Wyo.; Mexico.

Taxonomic tree

  • Domain: Eukarya

    • Kingdom: Plantae

      • Phylum:

        • Class: Magnoliopsida

          • Order: Brassicales

            • Family: Brassicaceae

              • Genus: Lepidium