View source for Potentilla canadensis

{{Treatment/ID
|accepted_name=Potentilla canadensis
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 498. 1753
|year=1753
}}
|common_names=Dwarf cinquefoil
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Potentilla canadensis var. pumila
|authority=(Poiret) Torrey & A. Gray
|rank=variety
}} {{Treatment/ID/Synonym
|name=P. canadensis var. villosissima
|authority=Fernald
|rank=variety
}} {{Treatment/ID/Synonym
|name=P. caroliniana
|authority=
|rank=species
}} {{Treatment/ID/Synonym
|name=P. pumila
|authority=
|rank=species
}}
|hierarchy=Rosaceae;Rosaceae subfam. Rosoideae;Rosaceae tribe Potentilleae;Potentilla;Potentilla sect. Potentilla;Potentilla canadensis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Rosaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Rosaceae subfam. Rosoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Rosaceae tribe Potentilleae]]</div><div class="higher-taxon"><small>genus</small>[[Potentilla]]</div><div class="higher-taxon"><small>section</small>[[Potentilla sect. Potentilla]]</div><div class="higher-taxon"><small>species</small>[[Potentilla canadensis]]</div></div>
|volume=Volume 9
|mention_page=page 135
|treatment_page=page 134
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Rootstocks </b>erect, stout, 0.5–2 cm. <b>Stems</b> initially ascending to erect, soon becoming prostrate, flagelliform, not branched, eventually rooting at some nodes, (0.3–)0.5–12 dm. <b>Basal</b> leaves ± persistent, usually palmate, 2–9(–11) cm; petiole 1–7(–8) cm, long hairs abundant to dense, appressed to spreading, 1.5–3 mm, mostly ± weak, glands absent or sparse; leaflets (3–)5(–7), central mostly ± obovate to cuneate, sometimes narrowly so, (0.5–)1–4(–6) × (0.5–)0.8–2(–3) cm, distal 1/2 of margin incised 1/4–1/3 to midvein, teeth 2–7 per side, surfaces similar to ± dissimilar, abaxial green to silvery white, sparsely to densely hairy, adaxial green, sparsely to moderately hairy. <b>Cauline</b> leaves 0–1 proximal to 1st flowering node, not fully expanded at anthesis, usually palmate, 2–7(–9) cm; petiole (0.5–)1–6(–7.5) cm; leaflets (3–)5, ± resembling those of basal leaves, apex rounded to obtuse. <b>Inflorescences</b> solitary flowers at stolon nodes. <b>Pedicels</b> (1–)2–5(–9) cm. <b>Flowers</b> 5-merous; epicalyx bractlets linear to lanceolate-elliptic, (2–)3–5(–6) × 0.8–1.5 mm, slightly smaller than to ± equal to sepals; hypanthium 2.5–5 mm diam.; sepals (2–)3–5(–6) mm, apex acute; petals 4–6(–8) × 3.5–6.5(–8) mm, apex rounded to slightly retuse; stamens ca. 20, filaments 0.5–2 mm, anthers 0.4–1 mm; carpels 20–40, styles 0.8–1.4 mm. <b>Achenes</b> 1.2–1.4 mm, smooth. <b>2n</b> = 28.</span><!--

-->{{Treatment/Body
|phenology=Flowering late Mar–early Jun.
|habitat=Dry flats and slopes in lawns, pastures, roadsides, cherty slopes, dry meadows, edges of oak and conifer woodlands, often on acidic soil
|elevation=0–1500 m
|distribution=N.S.;Ont.;Conn.;Del.;D.C.;Ky.;Maine;Md.;Mass.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.C.;Tenn.;Vt.;Va.;W.Va.
|discussion=<p>A cream-colored form (ochroleuca) was described from a now-obliterated site in Massachusetts (M. L. Fernald 1931).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Potentilla canadensis
|authority=Linnaeus
|rank=species
|parent rank=section
|synonyms=Potentilla canadensis var. pumila;P. canadensis var. villosissima;P. caroliniana;P. pumila
|basionyms=
|family=Rosaceae
|phenology=Flowering late Mar–early Jun.
|habitat=Dry flats and slopes in lawns, pastures, roadsides, cherty slopes, dry meadows, edges of oak and conifer woodlands, often on acidic soil
|elevation=0–1500 m
|distribution=N.S.;Ont.;Conn.;Del.;D.C.;Ky.;Maine;Md.;Mass.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.C.;Tenn.;Vt.;Va.;W.Va.
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V9/V9_191.xml
|subfamily=Rosaceae subfam. Rosoideae
|tribe=Rosaceae tribe Potentilleae
|genus=Potentilla
|section=Potentilla sect. Potentilla
|species=Potentilla canadensis
}}<!--

-->[[Category:Treatment]][[Category:Potentilla sect. Potentilla]]