View source for Potentilla simplex

{{Treatment/ID
|accepted_name=Potentilla simplex
|accepted_authority=Michaux
|publications={{Treatment/Publication
|title=Fl. Bor.-Amer.
|place=1: 303. 1803
|year=1803
}}
|common_names=Simple or old-field cinquefoil;potentille simple
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Potentilla canadensis var. simplex
|authority=(Michaux) Torrey & A. Gray
|rank=variety
}} {{Treatment/ID/Synonym
|name=P. simplex var. argyrisma
|authority=Fernald
|rank=variety
}} {{Treatment/ID/Synonym
|name=P. simplex var. calvescens
|authority=Fernald
|rank=variety
}}
|hierarchy=Rosaceae;Rosaceae subfam. Rosoideae;Rosaceae tribe Potentilleae;Potentilla;Potentilla sect. Potentilla;Potentilla simplex
|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 simplex]]</div></div>
|volume=Volume 9
|mention_page=page 135
|treatment_page=page 134
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Rootstocks </b>horizontal, irregularly thickened or moniliform, 1–8 cm. <b>Stems</b> initially erect to ascending to 5 dm, then arching above ground-level, becoming prostrate, flagelliform, not branched, rooting at distal nodes, (0.5–)1.5–12 dm. <b>Basal</b> leaves persistent or ephemeral, usually palmate, 3.5–20 cm; petiole 1–15 cm, long hairs ± abundant, appressed to spreading, (0.5–)1–3 mm, weak to ± stiff, glands absent or sparse, sometimes common; leaflets 5(–7), central narrowly elliptic to obovate, 1.5–5 × 0.5–2.5 cm, distal 1/2–3/4 of margin incised 1/4–1/3 to midvein, teeth 4–8(–13) per side, surfaces similar to ± dissimilar, abaxial green to silvery white, sparsely to abundantly hairy, adaxial green, glabrate or sparsely to moderately hairy. <b>Cauline</b> leaves (0–)1 proximal to 1st flowering node, well expanded at anthesis, usually palmate, 2.5–6(–9) cm; petiole 0–2(–4) cm; leaflets (3–)5, often more elongate than those of basal leaves, ± elliptic to oblanceolate, sometimes obovate, 1.5–6(–7.5) × 0.5–2(–3) cm, apex acute to obtuse. <b>Inflorescences</b> solitary flowers at stolon nodes. <b>Pedicels</b> 1–5(–8.5) cm. <b>Flowers</b> 5(–6)-merous; epicalyx bractlets linear to narrowly lanceolate, 2–5 × 1–1.5(–2) mm, often larger than sepals (especially in bud); hypanthium 3–5 mm diam.; sepals 4–6 mm, apex broadly acute; petals 4–7 × 3–6 mm, apex rounded to ± retuse; stamens ca. 20, filaments 0.5–2 mm, anthers 0.6–1 mm; carpels 20–50, styles 0.8–1.5 mm. <b>Achenes</b> 0.9–1.2 mm, faintly rugose.</span><!--

-->{{Treatment/Body
|phenology=Flowering (Mar–)Apr–Jul(–Aug).
|habitat=Dry or infrequently moist flats and slopes in pastures, dry meadows, roadsides, old fields, edges of mixed oak and conifer woodlands, often on acidic soil
|elevation=0–800 m
|distribution=St. Pierre and Miquelon;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Ala.;Ark.;Conn.;Del.;D.C.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Nebr.;N.H.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;R.I.;S.C.;Tenn.;Tex.;Vt.;Va.;W.Va.;Wis.
|discussion=<p>The distinction between <i>Potentilla simplex</i> and <i>P. canadensis</i> is subtle, and the former is often misidentified as the latter; additional features to distinguish the two species are provided by M. L. Fernald (1931).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Potentilla simplex
|authority=Michaux
|rank=species
|parent rank=section
|synonyms=Potentilla canadensis var. simplex;P. simplex var. argyrisma;P. simplex var. calvescens
|basionyms=
|family=Rosaceae
|phenology=Flowering (Mar–)Apr–Jul(–Aug).
|habitat=Dry or infrequently moist flats and slopes in pastures, dry meadows, roadsides, old fields, edges of mixed oak and conifer woodlands, often on acidic soil
|elevation=0–800 m
|distribution=St. Pierre and Miquelon;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Ala.;Ark.;Conn.;Del.;D.C.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Nebr.;N.H.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;R.I.;S.C.;Tenn.;Tex.;Vt.;Va.;W.Va.;Wis.
|reference=None
|publication title=Fl. Bor.-Amer.
|publication year=1803
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V9/V9_192.xml
|subfamily=Rosaceae subfam. Rosoideae
|tribe=Rosaceae tribe Potentilleae
|genus=Potentilla
|section=Potentilla sect. Potentilla
|species=Potentilla simplex
}}<!--

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