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Comments ( anglais )

fourni par eFloras
Chenopodium atrovirens has been reported for Washington but we have seen no specimens. Reports of C. carnulosum Moquin-Tandon from Texas are, at least in part, this species. We have seen no reliable North American records of this southern South American species.
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cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 4: 290 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
rédacteur
Flora of North America Editorial Committee
projet
eFloras.org
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visiter la source
site partenaire
eFloras

Description ( anglais )

fourni par eFloras
Stems erect to ascending, usually much-branched, 0.7-6.5 dm, moderately to densely farinose. Leaves nonaromatic; petiole 0.5-1.5 cm, usually markedly upward curved; blade ovate, broadly oblong, oblong, oval, or occasionally triangular, prominently 3-veined, 1-3 × 0.4-2.2 cm, 1.5-3 times longer than wide, thick, base rounded to cuneate, margins entire or occasionally with basal lobe, apex obtuse or rounded, farinose abaxially. Inflorescences glomerules in terminal and axillary paniculate spikes, 2-8 × 1-1.5 cm; glomerules maturing unevenly; bracts linear, 2 × 0.1 mm. Flowers: perianth segments 5, distinct nearly to base; lobes obovate, 0.8-0.9 × 0.6-0.8 mm, apex rounded or emarginate, carinate, farinose, not covering fruit at maturity; stamens 5; stigmas 2, 0.1 mm. Achenes or Utricles ovoid; pericarp adherent or nonadherent, smooth. Seeds 0.9-1.3 mm diam., margins acute; seed coat black, rugulate. 2n = 18.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 4: 290 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
rédacteur
Flora of North America Editorial Committee
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Distribution ( anglais )

fourni par eFloras
Alta., B.C., Sask.; Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wyo.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 4: 290 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
rédacteur
Flora of North America Editorial Committee
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Flowering/Fruiting ( anglais )

fourni par eFloras
Fruiting mid summer-fall.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 4: 290 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
rédacteur
Flora of North America Editorial Committee
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Habitat ( anglais )

fourni par eFloras
Open dry sandy areas and other disturbed sites; 100-3400m.
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 4: 290 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
rédacteur
Flora of North America Editorial Committee
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Synonym ( anglais )

fourni par eFloras
Chenopodium fremontii S. Watson var. atrovirens (Rydberg) Fosberg
licence
cc-by-nc-sa-3.0
droit d’auteur
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 4: 290 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
rédacteur
Flora of North America Editorial Committee
projet
eFloras.org
original
visiter la source
site partenaire
eFloras

Chenopodium atrovirens ( anglais )

fourni par wikipedia EN

Chenopodium atrovirens is a species of flowering plant in the amaranth family known by the common names pinyon goosefoot and dark goosefoot.

Distribution

It is native to western North America, including southern Western Canada and most of the Western United States. It grows in many types of habitat, including open, sandy sites and disturbed areas, and in montane regions such as the Sierra Nevada, Peninsular Ranges, and Rocky Mountains.

Description

It is an annual herb growing an erect, branching stem up to about 60 centimeters tall, sometimes remaining much smaller. It is green to magenta in color and coated lightly in pinkish powdery dust. The leaves are oblong or oval and up to 3.5 centimeters long. They have smooth edges and sometimes have a few lobes.

The inflorescence is a rounded cluster of many minute flowers. Each tiny flower has five slightly powdery lobes in its corolla, each barely visible. The fruit is oval in shape and about a millimeter long, coating the tiny seed loosely.

References

  1. ^ USDA, NCRS (2011). "Chenopodium atrovirens (pinyon goosefoot)" (Online Database). USDA PLANTS. Baton Rouge, LA: National Plant Data Center. Retrieved 27 April 2011.

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Wikipedia authors and editors
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wikipedia EN

Chenopodium atrovirens: Brief Summary ( anglais )

fourni par wikipedia EN

Chenopodium atrovirens is a species of flowering plant in the amaranth family known by the common names pinyon goosefoot and dark goosefoot.

licence
cc-by-sa-3.0
droit d’auteur
Wikipedia authors and editors
original
visiter la source
site partenaire
wikipedia EN