Difference between revisions of "Polycnemum arvense"
Sp. Pl. 1: 35. 1753.
Common names: Soft needleleaf
Introduced
imported>Volume Importer |
imported>Volume Importer |
||
| Line 53: | Line 53: | ||
|publication year=1753 | |publication year=1753 | ||
|special status=Introduced | |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.