Difference between revisions of "Axyris amaranthoides"
Sp. Pl. 2: 979. 1753.
Common names: Upright axyris
WeedyIntroducedIllustrated
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|common_names=Upright axyris | |common_names=Upright axyris | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=W | ||
| + | |label=Weedy | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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|elevation=0-300 m | |elevation=0-300 m | ||
|distribution=Alta.;B.C.;Man.;N.B.;N.S.;Ont.;Que.;Sask.;Maine;Mass.;Minn.;Mo.;Mont.;N.H.;N.Y.;N.Dak.;Eurasia. | |distribution=Alta.;B.C.;Man.;N.B.;N.S.;Ont.;Que.;Sask.;Maine;Mass.;Minn.;Mo.;Mont.;N.H.;N.Y.;N.Dak.;Eurasia. | ||
| + | |introduced=true | ||
|discussion=<p><i>Axyris amaranthoides</i> is an invasive and problematic weed, especially in crops of cereal grains. It also has been reported from Colorado and Iowa and is to be expected elsewhere.</p> | |discussion=<p><i>Axyris amaranthoides</i> is an invasive and problematic weed, especially in crops of cereal grains. It also has been reported from Colorado and Iowa and is to be expected elsewhere.</p> | ||
|tables= | |tables= | ||
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|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
|publication year=1753 | |publication year=1753 | ||
| − | |special status= | + | |special status=Weedy;Introduced;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_593.xml |
|genus=Axyris | |genus=Axyris | ||
|species=Axyris amaranthoides | |species=Axyris amaranthoides | ||
Latest revision as of 21:59, 5 November 2020
Stems (5–)30–90 cm. Leaf blades pale green, (1–)1.5–3 × 5–9(–10) cm. Flowers: perianth segments 3-parted, oblong to oval, apex obtuse, whitish pubescent, with both stellate and simple trichomes adaxially; staminate whitish, less than 2 mm, stamens 3; pistillate green. Utricles red or dark brown, heteromorphic, obovate or oval, 2.5–3 mm, with distal 2-lobed appendage. 2n = 18.
Phenology: Flowering summer–fall.
Habitat: Waste places
Elevation: 0-300 m
Distribution
Introduced; Alta., B.C., Man., N.B., N.S., Ont., Que., Sask., Maine, Mass., Minn., Mo., Mont., N.H., N.Y., N.Dak., Eurasia.
Discussion
Axyris amaranthoides is an invasive and problematic weed, especially in crops of cereal grains. It also has been reported from Colorado and Iowa and is to be expected elsewhere.
Selected References
None.
Lower Taxa
None.