Difference between revisions of "Polycnemum arvense"
Sp. Pl. 1: 35. 1753.
Common names: Soft needleleaf
Introduced
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|common_names=Soft needleleaf | |common_names=Soft needleleaf | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
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|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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|elevation=0-200 m | |elevation=0-200 m | ||
|distribution=B.C.;c;s Europe to e Russia. | |distribution=B.C.;c;s Europe to e Russia. | ||
| + | |introduced=true | ||
|discussion=<p>Once considered weedy, this species has been collected rarely in recent years.</p> | |discussion=<p>Once considered weedy, this species has been collected rarely in recent years.</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=Introduced |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_476.xml |
|genus=Polycnemum | |genus=Polycnemum | ||
|species=Polycnemum arvense | |species=Polycnemum arvense | ||
Latest revision as of 22:58, 5 November 2020
Stems procumbent or erect, branches spirally twisted, to 10 (–50) cm, glabrous to densely pubescent. Leaves green, 3–8(–12) × 1 mm, base somewhat clasping, hyaline, not bristly, apex softly spine-tipped. Bracts: distalmost at least 3 times perianth length. Bracteoles ca. equaling perianth length. Seeds 1–1.5 mm. 2n = 18.
Phenology: Flowering summer–fall.
Habitat: Sandy soils
Elevation: 0-200 m
Distribution
Introduced; B.C., c, s Europe to e Russia.
Discussion
Once considered weedy, this species has been collected rarely in recent years.
Selected References
None.
Lower Taxa
None.