View source for Sagittaria filiformis

{{Treatment/ID
|accepted_name=Sagittaria filiformis
|accepted_authority=J. G. Smith
|publications={{Treatment/Publication
|title=N. Amer. Sagittaria.
|place=20, plate 15, figs. 5–8. 1894
|year=1894
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Sagittaria stagnorum
|authority=Small
|rank=species
}} {{Treatment/ID/Synonym
|name=Sagittaria subulata var. gracillima
|authority=(S. Watson) J. G. Smith
|rank=variety
}}
|hierarchy=Alismataceae;Sagittaria;Sagittaria filiformis
|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 filiformis]]</div></div>
|volume=Volume 22
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, to 170 cm, mostly of fresh waters, some plants stranded along shore; rhizomes absent; stolons present; corms present. <b>Leaves</b> submersed or floating, rarely emersed; submersed phyllodial, flattened, 30–250 × 0.1–1.5 cm; floating with petiole flattened, to 40 cm, blade linear-ovate to ovate, rarely sagittate, to 3.5 × 0.5 cm; emersed with petiole 5–10 cm, blade linear-ovate to ovate, rarely hastate to sagittate, to 4 × 0.5 cm; stranded plants usually with expanded leaf blades. <b>Inflorescences</b> racemes, rarely panicles, of 4–10 whorls, floating to slightly emersed, 15–25 × 5–15 cm; peduncles 10–200 cm; bracts connate more than ¼ total length, lanceolate, 110 mm, delicate, not papillose; fruiting pedicels spreading to recurved, cylindric, 1.5–4.5 cm. <b>Flowers</b> to 3 cm diam.; sepals spreading in staminate, erect in pistillate, enclosing flower or fruiting head; filaments dilated, &#177; equaling anthers, glabrous; pistillate pedicellate, without ring of sterile stamens. <b>Fruiting</b> heads 0.7–1 cm diam.; achenes obovoid, abaxially keeled, 5 × 2.5 mm, beaked; faces not tuberculate, wings 0–3, &#177; entire, glands 0–1; beak lateral, erect, 1 mm. <b>2n</b> = 22.</span><!--

-->{{Treatment/Body
|phenology=Flowering summer–fall.
|habitat=Shallow, swift waters or deep streams in northern portion of range, ponds, lakes, drainage canals, and swamps in southern portion of range
|elevation=0–100 m
|distribution=Ala.;Conn.;Fla.;Ga.;Maine;Mass.;N.J.;N.Y.;N.C.;Pa.;R.I.;S.C.;Va.
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Sagittaria filiformis
|authority=J. G. Smith
|rank=species
|parent rank=genus
|synonyms=Sagittaria stagnorum;Sagittaria subulata var. gracillima
|basionyms=
|family=Alismataceae
|phenology=Flowering summer–fall.
|habitat=Shallow, swift waters or deep streams in northern portion of range, ponds, lakes, drainage canals, and swamps in southern portion of range
|elevation=0–100 m
|distribution=Ala.;Conn.;Fla.;Ga.;Maine;Mass.;N.J.;N.Y.;N.C.;Pa.;R.I.;S.C.;Va.
|reference=None
|publication title=N. Amer. Sagittaria.
|publication year=1894
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V22/V22_443.xml
|genus=Sagittaria
|species=Sagittaria filiformis
}}<!--

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