View source for Anemone americana

{{Treatment/ID
|accepted_name=Anemone americana
|accepted_authority=(de Candolle) H. Hara
|publications={{Treatment/Publication
|title=J. Jap. Bot.
|place=33: 271. 1958
|year=1958
}}
|common_names=Round-lobed hepatica;anémone d'Amérique;hépatique d'Amérique
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}{{Treatment/ID/Special_status
|code=F
|label=Selected by author to be illustrated
}}
|basionyms={{Treatment/ID/Synonym
|name=Hepatica triloba var. americana
|authority=de Candolle
}}
|synonyms={{Treatment/ID/Synonym
|name=Hepatica americana
|authority=(de Candolle) Ker-Gawler
}}{{Treatment/ID/Synonym
|name=Hepatica nobilis var. obtusa
|authority=(Pursh) Steyermark
}}{{Treatment/ID/Synonym
|name=Hepatica triloba var. obtusa
|authority=Pursh
}}
|hierarchy=Ranunculaceae;Anemone;Anemone americana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Ranunculaceae]]</div><div class="higher-taxon"><small>genus</small>[[Anemone]]</div><div class="higher-taxon"><small>species</small>[[Anemone americana]]</div></div>
|volume=Volume 3
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="shoot location;shoot some measurement;rhizome orientation;rhizome orientation;rhizome orientation"><b>Aerial </b>shoots 5-18 cm, from rhizomes, rhizomes ascending to horizontal.</span> <span class="statement" id="st-d0_s1" data-properties="basal leaf quantity;basal leaf coloration;basal leaf architecture;basal leaf shape"><b>Basal </b>leaves 3-15, often purplish abaxially, simple, deeply divided;</span> <span class="statement" id="st-d0_s2" data-properties="petiole some measurement">petiole 5-20 cm;</span> <span class="statement" id="st-d0_s3" data-properties="leaf-blade shape;leaf-blade length;leaf-blade width;base shape;margin architecture or shape;apex shape;surface pubescence;surface pubescence;surface pubescence">leaf-blade widely orbiculate, 1.5-7 × 2-10 cm, base cordate, margins entire, apex rounded, surfaces strongly villous to glabrescent;</span> <span class="statement" id="st-d0_s4" data-properties="lobe atypical quantity;lobe quantity;lobe shape;lobe width">lobes 3 (-4), widely ovate, 1-4 cm wide;</span> <span class="statement" id="st-d0_s5" data-properties="">middle lobe 50-70 (-75) % of total blade length.</span> <span class="statement" id="st-d0_s6" data-properties="inflorescence architecture;inflorescence pubescence;inflorescence pubescence;inflorescence pubescence"><b>Inflorescences </b>1-flowered, villous to pilose;</span> <span class="statement" id="st-d0_s7" data-properties="involucral-beak quantity;involucral-beak arrangement;involucral-beak architecture;involucral-beak architecture;involucral-beak architecture or shape;involucral-beak shape;involucral-beak shape;involucral-beak length;involucral-beak width;base fusion;base shape;margin architecture or shape;apex shape;apex pubescence;apex pubescence;apex pubescence">involucral-bracts 3, 1-tiered, simple, dissimilar to basal leaves, sessile, calyxlike, closely subtending flower, ovate or elliptic, 0.65-1.8 × 0.5-1.2 cm, bases distinct, cuneate, margins entire, apex obtuse, strongly villous to glabrescent.</span> <span class="statement" id="st-d0_s8" data-properties="sepal quantity;sepal coloration;sepal coloration;sepal coloration;sepal coloration;sepal shape;sepal shape;sepal shape;sepal length;sepal width;sepal pubescence"><b>Flowers:</b> sepals 5-12, white to pink or bluish, ovate to obovate 7.5-14.5 × 3.5-7.7 mm, glabrous;</span> <span class="statement" id="st-d0_s9" data-properties="petal presence">petals absent;</span> <span class="statement" id="st-d0_s10" data-properties="stamen quantity">stamens 10-30.</span> <span class="statement" id="st-d0_s11" data-properties="head shape"><b>Heads </b>of achenes spheric;</span> <span class="statement" id="st-d0_s12" data-properties="pedicel some measurement">pedicel 0.1-0.4 cm.</span> <span class="statement" id="st-d0_s13" data-properties="body shape;body length;body width;body architecture;body pubescence;body shape"><b>Achenes:</b> body narrowly ovoid, 3.5-5 × 1.2-1.6 mm, slightly winged, hispid, gradually tapering;</span> <span class="statement" id="st-d0_s14" data-properties="">beak indistinct.</span> <span class="statement" id="st-d0_s15" data-properties="beak prominence;2n chromosome quantity">2n=14.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring.
|habitat=Mixed woods, often in association with both conifers and deciduous trees
|elevation=0-1200 m
|distribution=Man.;N.B.;N.S.;Ont.;Que.;Ala.;Ark.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.C.;Tenn.;Vt.;Va.;W.Va.;Wis.
|discussion=<p>Anemone americana is found in habitats similar to those of A. acutiloba but usually in drier sites with more acid soils.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Anemone americana
|author=
|authority=(de Candolle) H. Hara
|rank=species
|parent rank=genus
|synonyms=Hepatica americana;Hepatica nobilis var. obtusa;Hepatica triloba var. obtusa
|basionyms=Hepatica triloba var. americana
|family=Ranunculaceae
|phenology=Flowering spring.
|habitat=Mixed woods, often in association with both conifers and deciduous trees
|elevation=0-1200 m
|distribution=Man.;N.B.;N.S.;Ont.;Que.;Ala.;Ark.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.C.;Tenn.;Vt.;Va.;W.Va.;Wis.
|reference=None
|publication title=J. Jap. Bot.
|publication year=1958
|special status=Endemic;Selected by author to be illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_798.xml
|genus=Anemone
|species=Anemone americana
|2n chromosome quantity=14
|apex pubescence=strongly villous;glabrescent
|apex shape=obtuse;rounded
|basal leaf architecture=simple
|basal leaf coloration=purplish
|basal leaf quantity=3;15
|basal leaf shape=divided
|base fusion=distinct
|base shape=cuneate;cordate
|beak prominence=indistinct
|body architecture=winged
|body length=3.5mm;5mm
|body pubescence=hispid
|body shape=tapering;ovoid
|body width=1.2mm;1.6mm
|head shape=spheric
|inflorescence architecture=1-flowered
|inflorescence pubescence=villous;pilose
|involucral-beak architecture=sessile;simple
|involucral-beak architecture or shape=calyxlike
|involucral-beak arrangement=1-tiered
|involucral-beak length=0.65cm;1.8cm
|involucral-beak quantity=3
|involucral-beak shape=elliptic;ovate
|involucral-beak width=0.5cm;1.2cm
|leaf-blade length=1.5cm;7cm
|leaf-blade shape=orbiculate
|leaf-blade width=2cm;10cm
|lobe atypical quantity=3;4
|lobe quantity=3
|lobe shape=ovate
|lobe width=1cm;4cm
|margin architecture or shape=entire;entire
|pedicel some measurement=0.1cm;0.4cm
|petal presence=absent
|petiole some measurement=5cm;20cm
|rhizome orientation=ascending;horizontal
|sepal coloration=white;pink or bluish
|sepal length=7.5mm;14.5mm
|sepal pubescence=glabrous
|sepal quantity=5;12
|sepal shape=ovate;obovate
|sepal width=3.5mm;7.7mm
|shoot location=aerial
|shoot some measurement=5cm;18cm
|stamen quantity=10;30
|surface pubescence=strongly villous;glabrescent
}}<!--

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