View source for Physocarpus capitatus

{{Treatment/ID
|accepted_name=Physocarpus capitatus
|accepted_authority=(Pursh) Kuntze
|publications={{Treatment/Publication
|title=Revis. Gen. Pl.
|place=1: 219. 1891
|year=1891
}}
|common_names=Pacific nine-bark
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Synonym
|name=Spiraea capitata
|authority=Pursh
}}
|synonyms={{Treatment/ID/Synonym
|name=Physocarpus opulifolius var. tomentellus
|authority=(Seringe) B. Boivin
}}
|hierarchy=Rosaceae;Rosaceae subfam. Amygdaloideae;Rosaceae tribe Neillieae;Physocarpus;Physocarpus capitatus
|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 capitatus]]</div></div>
|volume=Volume 9
|mention_page=page 348
|treatment_page=page 349
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> to 45(–60) dm. <b>Stems</b> erect, sometimes suckering, angled, glabrous or finely stellate-hairy. <b>Leaves</b>: stipules linear to narrowly elliptic, 4 × 0.5–2 mm; petiole 1–2(–3) cm; blade broadly ovate to obovate, (3–)4–8 cm, usually as wide as long, base rounded to truncate or slightly cordate, 3- or 5-lobed, margins irregularly crenate to doubly serrate, apex obtuse to acute, abaxial surface paler, glabrous or more densely stellate-hairy, adaxial glabrous or sparsely stellate-hairy. <b>Inflorescences</b> 30–50-flowered, dense, hemispheric racemes, 3 cm diam., sometimes compound with some proximal pedicels becoming secondary peduncles; bracts narrowly elliptic to spatulate, 4 × 2 mm, apex acute or erose-dentate, faces glandular. <b>Pedicels</b> 1–1.5 cm, densely stellate-hairy. <b>Flowers</b> 5–8 mm diam.; hypanthium cup-shaped, 2 mm, densely stellate-hairy; sepals pale green to white, darker in center, triangular, 2–3 mm, apex gland-tipped, surfaces densely stellate-hairy; petals white, broadly elliptic to orbiculate, 3–4 × 3–4 mm; stamens equal to or exceeding petals; carpels 3–5, connate basally, mostly glabrous, sometimes hairy (on ventral suture). <b>Follicles</b> 3–5, connate basally, shiny brown, ovoid, 5–7 mm (lengths slightly exceeding sepals), glabrous; styles 2.5–3 mm. <b>Seeds</b> 2(–5), pyriform, 2.3–2.8 mm. <b>2n</b> = 18.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Jul; fruiting Jul–Aug.
|habitat=Open sunny slopes on clay (higher elevations), stream and swamp banks, lake margins in moist woods (lower elevations)
|elevation=20–1300 m
|distribution=B.C.;Alaska;Calif.;Idaho;Oreg.;Wash.
|discussion=<p>Physocarpus capitatus is commonly cultivated.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Physocarpus capitatus
|author=
|authority=(Pursh) Kuntze
|rank=species
|parent rank=genus
|synonyms=Physocarpus opulifolius var. tomentellus
|basionyms=Spiraea capitata
|family=Rosaceae
|phenology=Flowering May–Jul; fruiting Jul–Aug.
|habitat=Open sunny slopes on clay (higher elevations), stream and swamp banks, lake margins in moist woods (lower elevations)
|elevation=20–1300 m
|distribution=B.C.;Alaska;Calif.;Idaho;Oreg.;Wash.
|reference=None
|publication title=Revis. Gen. Pl.
|publication year=1891
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V9/V9_574.xml
|subfamily=Rosaceae subfam. Amygdaloideae
|tribe=Rosaceae tribe Neillieae
|genus=Physocarpus
|species=Physocarpus capitatus
}}<!--

-->[[Category:Treatment]][[Category:Physocarpus]]