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Montana Field Guide

Montana Field Guides

Oakleaf Goosefoot - Chenopodium glaucum var. glaucum

Exotic Species (not native to Montana)

Global Rank: G5
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

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General Description
Stems prostrate to erect, 10–50 cm. Leaf blades fleshy, pale green and glabrous above, white-farinose beneath, lanceolate to ovate, 1–4 cm long with sinuate margins. Inflorescence glomerules, 1–2 mm diameter, in bracteate, axillary and terminal spikes. Flowers: calyx mostly 5-parted, segments green, nearly distinct, ca. 0.6 mm long; stamen 1. Seed flattened-orbicular, punctate, 0.6–1.1 mm, vertical and horizontal (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Diagnostic Characteristics
Differs from variety salinum by the following characters: Inflorescences without leaflike bracts, at least on terminal 1/2; leaf blade apices obtuse; vertical seeds 0.6-0.9 mm (Welsh, 2003, Fl. North America, Vol. 4).

Species Range
Unknown/Undetermined
 


Range Comments
AK to QC south to CA, TX, KY, VA (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 2

(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
Drying, often saline mud around ponds, lakes, streams, roadsides; plains, valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Oakleaf Goosefoot — Chenopodium glaucum var. glaucum.  Montana Field Guide.  .  Retrieved on , from