View source for Sagittaria montevidensis

{{Treatment/ID
|accepted_name=Sagittaria montevidensis
|accepted_authority=Chamisso & Schlechtendal
|publications={{Treatment/Publication
|title=Linnaea
|place=2: 156. 1827
|year=1827
}}
|common_names=Sagittaire spongieuse
|special_status={{Treatment/ID/Special_status
|code=W
|label=Weedy
}}{{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms=
|hierarchy=Alismataceae;Sagittaria;Sagittaria montevidensis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Alismataceae]]</div><div class="higher-taxon"><small>genus</small>[[Sagittaria]]</div><div class="higher-taxon"><small>species</small>[[Sagittaria montevidensis]]</div></div>
|volume=Volume 22
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual or perennial, to 100 cm; rhizomes present; stolons present; corms present. <b>Leaves</b> submersed and emersed; submersed leaves absent or phyllodial, flattened, to 17 × 2 cm; emersed leaves with petiole triangular, 21–55 cm, blade hastate to sagittate, 2.5–17.5 × 0.6–22 cm, lobes longer than or equal to remainder of blade. <b>Inflorescences</b> racemes or panicles, of 1–15 whorls, floating or emersed, 1.5–28 × 1.5–15 cm; peduncles 15–47 cm; bracts distinct or connate less than ¼ total length, lanceolate to elliptic, 4–34 mm, delicate, not papillose; fruiting pedicels recurved, club-shaped, 0.5–4.2 cm. <b>Flowers</b> 2–5 cm diam.; sepals spreading in staminate, erect in pistillate, enclosing flower or fruiting head; filaments cylindric, longer than anthers, glabrous; pistillate pedicellate, with or without ring of sterile stamens. <b>Fruiting</b> heads 1.2–2.1 cm diam.; achenes oblanceoloid, not abaxially keeled, 2–4.3 × 0.7–1.5 mm, beaked; faces not tuberculate, wings absent, glands 1; beak lateral, horizontal, 0.4–0.8 mm.</span><!--

-->{{Treatment/Body
|distribution=N.B.;Ala.;Ark.;Calif.;Colo.;Conn.;Del.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mo.;N.C.;N.H.;N.J.;N.Mex.;N.Y.;Nebr.;Ohio;Okla.;Pa.;S.C.;S.Dak.;Tenn.;Tex.;Va.;W.Va.;Wis.;Mexico;South America.
|discussion=<p>Subspecies 3 (3 in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Plants of tidal mud flats, often stranded by low tide, emersed blades spatulate, rarely sagittate.
|[[Sagittaria montevidensis subsp. spongiosa|Sagittaria montevidensis subsp. spongiosa]]
|-id=key-0-1
|1
|Plants of fresh waters, not stranded by low tide; emersed blades hastate to sagittate.
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Pistillate flowers without ring of sterile stamens; petals with purple spot at base
|[[Sagittaria montevidensis subsp. montevidensis|Sagittaria montevidensis subsp. montevidensis]]
|-id=key-0-2
|2
|Pistillate flowers with ring of sterile stamens; petals without purple spot at base.
|[[Sagittaria montevidensis subsp. calycina|Sagittaria montevidensis subsp. calycina]]
|}
</div></div><!--

-->{{#Taxon:
name=Sagittaria montevidensis
|authority=Chamisso & Schlechtendal
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Alismataceae
|distribution=N.B.;Ala.;Ark.;Calif.;Colo.;Conn.;Del.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mo.;N.C.;N.H.;N.J.;N.Mex.;N.Y.;Nebr.;Ohio;Okla.;Pa.;S.C.;S.Dak.;Tenn.;Tex.;Va.;W.Va.;Wis.;Mexico;South America.
|reference=None
|publication title=Linnaea
|publication year=1827
|special status=Weedy;Illustrated
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V22/V22_347.xml
|genus=Sagittaria
|species=Sagittaria montevidensis
}}<!--

-->[[Category:Treatment]][[Category:Sagittaria]]