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Montana Field Guide

Montana Field Guides

Giant-seed Goosefoot - Chenopodium simplex
Other Names:  Chenopodium gigantospermum, Chenopodium hybridum

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Native Species

Global Rank: G5
State Rank: SNR
C-value: 3


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Stems erect, 15–100 cm. Leaf blades glabrous, ovate to triangular, 2–15 cm long, truncate to cordate with sinuate to lobed margins. Inflorescence farinose, glandular, open, ebracteate, terminal and lateral panicles of glomerules, 0.5–2 mm diam. Flowers: calyx 5-parted, segments united <1/2-way, ca. 1 mm long; stamens 5. Seed lenticular, smooth to honeycombed, 1–1.5 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Scattered across much of MT mostly in western two-thirds of the state; most of temperate and sub-boreal North America (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 16

(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 woodlands, forests; plains, valleys (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

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?
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
    • 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.
    • Sater, S. 2022. The insects of Sevenmile Creek, a pictorial guide to their diversity and ecology. Undergraduate Thesis. Helena, MT: Carroll College. 242 p.
  • Web Search Engines for Articles on "Giant-seed Goosefoot"
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Citation for data on this website:
Giant-seed Goosefoot — Chenopodium simplex.  Montana Field Guide.  .  Retrieved on , from