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Oakleaf Goosefoot - Chenopodium glaucum var. glaucum
Other Names:
Oxybasis glauca
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 et al. 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
Montana Range
Range Descriptions
Non-native
Range Comments
AK to QC south to CA, TX, KY, VA (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 17
(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 et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Management
Stewardship Responsibility
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?
Eggers, M.J.S. 2005. Riparian vegetation of the Montana Yellowstone and cattle grazing impacts thereon. M.Sc. Thesis. Montana State University, Bozeman, MT. 125 p.- 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.
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