• NSF NEON | Open Data to Understand our Ecosystems
  • Biorepository Data Portal

  • Home
  • Search
    • Sample search
    • Map search
    • Dynamic Species List
    • Taxonomic Explorer
  • Images
    • Image Browser
    • Image Search
  • Datasets
    • Research Datasets and Special Collections
    • Carabidae Checklists with Keys
    • Checklist: Research Sites - Invertebrates
    • Checklist: Research Sites - Plants
    • Checklist: Research Sites - Vertebrates
  • Sample Use
    • Sample Use Policy
    • Sample Request
    • Sample Archival Request
    • Data Usage Policy
    • Dataset Publishing
  • Additional Information
    • Tutorials and Help
    • Biorepository Staff
    • About NEON
    • NEON Data Portal
    • ASU Biocollections
    • About Symbiota
  • Getting Started
Login New Account Sitemap
Lepidium papilliferum (L.F. Hend.) A. Nelson & J.F. Macbr.  

No occurrences found

Family: Brassicaceae
Idaho pepperweed
[Lepidium montanum var. papilliferum L.F. Hend.]
Images
not available
  • FNA
  • Resources
Ihsan A. Al-Shehbaz, John F. Gaskin in Flora of North America (vol. 7)
Annuals or biennials; puberulent, (trichomes clavate). Stems several from base, ascending, branched (several) distally, (0.3-)0.5-2.3(-4) dm. Basal leaves (soon deciduous), not rosulate; blade often bipinnately divided. Cauline leaves attenuate to petiolelike base, to 1 cm; blade pinnatifid to pinnatisect, obovate to oblanceolate in outline (lobes oblong to linear), 0.5-4 cm × 3-15 mm (smaller distally), base not auriculate, margins (of lobes) entire or dentate. Racemes slightly elongated, (dense) in fruit; rachis puberulent, trichomes straight or curved, clavate. Fruiting pedicels divaricate to horizontal, straight or recurved, (not winged), (2.5-)3-6(-7.5) × 0.2-0.3 mm, puberulent adaxially or throughout. Flowers: sepals ovate to broadly oblong, 1.5-2.2 × 0.8-1.1 mm; petals white, orbicular to spatulate, 2.5-3.7(-4) × 1.5-2.5 mm, claw 0.8-1.5 mm; stamens 6; filaments 1.5-2 mm, (trichomes clavate); anthers 0.4-0.6 mm. Fruits orbicular to broadly ovate, 2.2-3.6 × 2-3.4 mm, apically winged, apical notch 0.1-0.3 mm deep; valves thin, smooth, often not veined, glabrous; style 0.2-0.8 mm, exserted beyond apical notch. Seeds ovate, 1.2-1.8 × 0.9-1.1 mm. Flowering May-Jun. Sagebrush plains, desert flats, edge of playa; of conservation concern; 600-1700 m; Idaho. Lepidium papilliferum is distributed in Ada, Canyon, Elmore, Gem, Owyhee, and Payette counties.

Click to Display
0 Total Images
NSF NEON | Open Data to Understand our Ecosystems The National Ecological Observatory Network is a major facility fully funded by the National Science Foundation. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the National Science Foundation.