View source for Physocarpus opulifolius

{{Treatment/ID
|accepted_name=Physocarpus opulifolius
|accepted_authority=(Linnaeus) Maximowicz
|publications={{Treatment/Publication
|title=Trudy Imp. S.-Petersburgsk. Bot. Sada
|place=6: 220. 1879
|year=1879
}}
|common_names=Common or Atlantic nine-bark;physocarpe à feuilles d'obier
|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/Basionym
|name=Spiraea opulifolia
|authority=Linnaeus
|publication_title=Sp. Pl.
|publication_place=1: 489. 1753
}}
|synonyms={{Treatment/ID/Synonym
|name=Opulaster alabamensis
|authority=Rydberg
}} {{Treatment/ID/Synonym
|name=O. australis
|authority=Rydberg
}} {{Treatment/ID/Synonym
|name=O. opulifolius
|authority=(Linnaeus) Kuntze
}} {{Treatment/ID/Synonym
|name=O. stellatus
|authority=Rydberg ex Small
}}
|hierarchy=Rosaceae;Rosaceae subfam. Amygdaloideae;Rosaceae tribe Neillieae;Physocarpus;Physocarpus opulifolius
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Rosaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Rosaceae subfam. Amygdaloideae]]</div><div class="higher-taxon"><small>tribe</small>[[Rosaceae tribe Neillieae]]</div><div class="higher-taxon"><small>genus</small>[[Physocarpus]]</div><div class="higher-taxon"><small>species</small>[[Physocarpus opulifolius]]</div></div>
|volume=Volume 9
|mention_page=page 349, 388
|treatment_page=page 348
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> to 30 dm. <b>Stems</b> spreading to ascending, ± glabrous. <b>Leaves</b>: stipules narrowly ovate, 6–10 × 1.5–2.5 mm, apex acute; petiole 1–3 cm; blade ovate to obovate, 6–8.5(–10) × 4–7(–10) cm, usually longer than wide, base broadly cuneate to truncate, 3(–5)-lobed, margins irregularly serrate, apex obtuse to rounded, surfaces mostly glabrous, sometimes sparsely hairy abaxially. <b>Inflorescences</b> 30–50-flowered, open, hemispheric racemes, 5 cm diam.; bracts elliptic to spatulate or rhombic, 5 × 2.5 mm, apex acute to 3-fid or coarsely erose, faces glandular. <b>Pedicels</b> 1–2 cm, usually stellate-hairy. <b>Flowers</b> 7–10 mm diam.; hypanthium cup-shaped, 1.5–2 mm, glabrous or sparsely stellate-hairy; sepals pale green to white, darker in center, triangular, 1.5–2.5 mm, apex mucronate, gland-tipped, surfaces usually stellate-hairy; petals white to pale pink, broadly elliptic to orbiculate, 4–5 × 4–5 mm; stamens equal to or exceeding petals, anthers purplish; carpels 3–5, connate basally, sparsely stellate-hairy, glabrescent. <b>Follicles</b> 3–5, connate basally, bright red to brownish red, ovoid, 5–10 mm (lengths ca. 2 times sepals), sparsely stellate-hairy, ± glabrescent; styles 4 mm. <b>Seeds</b> 2(–5), pyriform, 2 mm. <b>2n</b> = 18.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Jun; fruiting Jul–Sep.
|habitat=Rocky stream banks, lake shores, moist woods, swampy ground
|elevation=0–1300 m
|distribution=N.B.;N.S.;Ont.;Que.;Ala.;Ariz.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Nebr.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Vt.;Va.;W.Va.;Wis.;introduced in Europe.
|discussion=<p><i>Physocarpus opulifolius</i> is the most widespread species in the wild and is commonly cultivated in North America and Europe; it occasionally escapes from cultivation and has become established in parts of Europe.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Physocarpus opulifolius
|author=
|authority=(Linnaeus) Maximowicz
|rank=species
|parent rank=genus
|synonyms=Opulaster alabamensis;O. australis;O. opulifolius;O. stellatus
|basionyms=Spiraea opulifolia
|family=Rosaceae
|phenology=Flowering May–Jun; fruiting Jul–Sep.
|habitat=Rocky stream banks, lake shores, moist woods, swampy ground
|elevation=0–1300 m
|distribution=N.B.;N.S.;Ont.;Que.;Ala.;Ariz.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Nebr.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Vt.;Va.;W.Va.;Wis.;introduced in Europe.
|reference=None
|publication title=Trudy Imp. S.-Petersburgsk. Bot. Sada
|publication year=1879
|special status=Endemic;Selected by author to be illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V9/V9_572.xml
|subfamily=Rosaceae subfam. Amygdaloideae
|tribe=Rosaceae tribe Neillieae
|genus=Physocarpus
|species=Physocarpus opulifolius
}}<!--

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