View source for Potamogeton subsibiricus

{{Treatment/ID
|accepted_name=Potamogeton subsibiricus
|accepted_authority=Hagström
|publications={{Treatment/Publication
|title=Kongl. Svenska Vetenskapsakademiens Handlingar
|place=n.s. 44:555(5):84. 1916
|year=1916
}}
|common_names=Yenissei River pondweed;potamot de l’Ilenissei
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Potamogeton porsildiorum
|authority=Fernald
|rank=species
}}
|hierarchy=Potamogetonaceae;Potamogeton;Potamogeton subsibiricus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Potamogetonaceae]]</div><div class="higher-taxon"><small>genus</small>[[Potamogeton]]</div><div class="higher-taxon"><small>species</small>[[Potamogeton subsibiricus]]</div></div>
|volume=Volume 22
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Rhizome </b>absent. <b>Cauline</b> stems compressed-filiform, without spots, to 50 cm; glands white, 0.3–0.5 mm diam. <b>Turions</b> lateral, common, 3.5–9.5 cm × 2–5 mm, soft; leaves &#177; 2-ranked; outer leaves 3–4 per side, base not corrugate; inner leaves undifferentiated. <b>Leaves</b> submersed, &#177; spirally arranged, sessile, flaccid; stipules deliquescent, inconspicuous, convolute, free from blade, pale brown, not ligulate, 1–2 cm, not fibrous, not shredding, apex obtuse; blade dark green, linear, not arcuate, 3.5–9.5 cm × 1.5–2 mm, base slightly tapering, without basal lobes, not clasping, margins entire, not crispate, apex not hoodlike, rounded or nearly acute to mucronate, lacunae in 1–2 rows each side of midvein; veins 9–17. <b>Inflorescences</b> unbranched, emersed; peduncles not dimorphic, axillary, erect, cylindric, 1.7–3.5 cm; spikes not dimorphic, cylindric, 10–30 mm. <b>Fruits</b> sessile, reddish brown, oblong-obovoid, compressed, abaxially ridged, not laterally keeled, 3–4 × 1.5–2 mm; beak nearly erect, 0.3–0.5 mm; sides without basal tubercles; embryo with 1 full coil.</span><!--

-->{{Treatment/Body
|phenology=Fruiting early summer–late summer.
|habitat=Shallow water of ponds and lakes
|elevation=0–915 m
|distribution=Man.;N.W.T.;Ont.;Nunavut;Que.;Yukon;Alaska;Siberia.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Potamogeton subsibiricus
|authority=Hagström
|rank=species
|parent rank=genus
|synonyms=Potamogeton porsildiorum
|basionyms=
|family=Potamogetonaceae
|phenology=Fruiting early summer–late summer.
|habitat=Shallow water of ponds and lakes
|elevation=0–915 m
|distribution=Man.;N.W.T.;Ont.;Nunavut;Que.;Yukon;Alaska;Siberia.
|reference=None
|publication title=Kongl. Svenska Vetenskapsakademiens Handlingar
|publication year=1916
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V22/V22_5.xml
|genus=Potamogeton
|species=Potamogeton subsibiricus
}}<!--

-->[[Category:Treatment]][[Category:Potamogeton]]