Difference between revisions of "Carex disticha"
Fl. Angl., 347. 1762.
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|common_names=Carex distique | |common_names=Carex distique | ||
| + | |special_status={{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=30–200 m | |elevation=30–200 m | ||
|distribution=Ont.;Que.;Eurasia. | |distribution=Ont.;Que.;Eurasia. | ||
| − | |discussion=<p>The Eurasian Carex disticha, thus far still a sporadic introduction, has been collected at two sites in Canada, both associated with ports on the Great Lakes-St. Lawrence system. A specimen to confirm a third, older report from near Belleville, Ontario, also on the Great Lakes, could not be located and verified (P. M. Catling et al. 1988).</p> | + | |introduced=true |
| + | |discussion=<p>The Eurasian <i>Carex disticha</i>, thus far still a sporadic introduction, has been collected at two sites in Canada, both associated with ports on the Great Lakes-St. Lawrence system. A specimen to confirm a third, older report from near Belleville, Ontario, also on the Great Lakes, could not be located and verified (P. M. Catling et al. 1988).</p> | ||
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Carex disticha | name=Carex disticha | ||
| − | |||
|authority=Hudson | |authority=Hudson | ||
|rank=species | |rank=species | ||
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|publication title=Fl. Angl., | |publication title=Fl. Angl., | ||
|publication year=1762 | |publication year=1762 | ||
| − | |special status= | + | |special status=Introduced;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_526.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Holarrhenae | |section=Carex sect. Holarrhenae | ||
Latest revision as of 20:41, 5 November 2020
Culms trigonous, scabrous-angled distally, 30–120 cm; vegetative culms somewhat taller. Leaves: basal sheaths brown; sheaths with inner band green, veined, apex hyaline, prolonged 0.7–3 mm; glabrous; ligules 1.8–16 mm; blades 1.8–5.2 mm wide. Inflorescences contracted near middle, 2–7 cm; spikes ascending, ovate, 4–16 × 1.2–9 mm, basal spikes larger than those near middle. Pistillate scales reddish brown at maturity, hyaline margins very narrow or absent, ovate, acute to acuminate, glabrous. Staminate scales reddish brown, narrowly ovate, apex acute to acuminate, glabrous. Perigynia (3.8–)4–5.5(–6.1) × 1.7–2.3 mm; beak (0.8–)1–1.9(–2.3) mm. Achenes brown.
Phenology: Fruiting Jun–Jul.
Habitat: Wet meadows, stream banks, disturbed areas
Elevation: 30–200 m
Distribution
Introduced; Ont., Que., Eurasia.
Discussion
The Eurasian Carex disticha, thus far still a sporadic introduction, has been collected at two sites in Canada, both associated with ports on the Great Lakes-St. Lawrence system. A specimen to confirm a third, older report from near Belleville, Ontario, also on the Great Lakes, could not be located and verified (P. M. Catling et al. 1988).
Selected References
None.