View source for Crataegus brainerdii

{{Treatment/ID
|accepted_name=Crataegus brainerdii
|accepted_authority=Sargent
|publications={{Treatment/Publication
|title=Rhodora
|place=3: 27. 1901
|year=1901
}}
|common_names=Brainerd hawthorn;aubépine de Brainerd
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Rosaceae;Rosaceae subfam. Amygdaloideae;Rosaceae tribe Gillenieae;Crataegus;Crataegus sect. Macracanthae;Crataegus (sect. Macracanthae) ser. Anomalae;Crataegus brainerdii
|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 Gillenieae]]</div><div class="higher-taxon"><small>genus</small>[[Crataegus]]</div><div class="higher-taxon"><small>section</small>[[Crataegus sect. Macracanthae]]</div><div class="higher-taxon"><small>series</small>[[Crataegus (sect. Macracanthae) ser. Anomalae]]</div><div class="higher-taxon"><small>species</small>[[Crataegus brainerdii]]</div></div>
|volume=Volume 9
|mention_page=page 522, 524
|treatment_page=page 523
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or trees, 40–50 dm. <b>Stems</b>: twigs: new growth green, glabrous, 1–2-years old shiny, dark brown, older dark gray; thorns on twigs at 1-year old very dark, shiny, stout, 3–4.5 cm. <b>Leaves</b>: petiole length 40% blade, glabrous, glandular; blade ovate to narrowly ovate, 4–7 cm, base cuneate to rounded, lobes 3 or 4 per side, margins serrate, teeth numerous, sharp, fine, gland-tipped, especially near base, veins 5 or 6 per side (even young), apex acute, abaxial surface glabrous except for tufts in vein axils, adaxial glabrate. <b>Inflorescences</b> 7–12-flowered; branches glabrous; bracteoles absent or few at anthesis. <b>Flowers</b> 15–18 mm diam.; hypanthium glabrous; sepals narrowly triangular, margins glandular-serrate; stamens 20, anthers pink to red; styles 2 or 3(–5). <b>Pomes</b> reddish, ± oblong-orbicular, 8–9 mm diam., glabrous; sepals ± sessile; pyrenes 2 or 3, sides erose.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Jun; fruiting Sep–Oct.
|habitat=Successional fields, brush
|elevation=10–300 m
|distribution=Ont.;Que.;Maine;Mass.;Mich.;N.H.;N.Y.;Vt.;Wis.
|discussion=<p><i>Crataegus brainerdii</i> has a scattered distribution and seems nowhere common. E. J. Palmer (1950) recorded it from North Carolina but this is well out of range. This species is similar in leaf shape to <i>C. scabrida </i>var.<i> scabrida</i>; it differs in stamen number.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Crataegus brainerdii
|authority=Sargent
|rank=species
|parent rank=series
|synonyms=
|basionyms=
|family=Rosaceae
|phenology=Flowering May–Jun; fruiting Sep–Oct.
|habitat=Successional fields, brush
|elevation=10–300 m
|distribution=Ont.;Que.;Maine;Mass.;Mich.;N.H.;N.Y.;Vt.;Wis.
|reference=None
|publication title=Rhodora
|publication year=1901
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V9/V9_884.xml
|subfamily=Rosaceae subfam. Amygdaloideae
|tribe=Rosaceae tribe Gillenieae
|genus=Crataegus
|section=Crataegus sect. Macracanthae
|series=Crataegus (sect. Macracanthae) ser. Anomalae
|species=Crataegus brainerdii
}}<!--

-->[[Category:Treatment]][[Category:Crataegus (sect. Macracanthae) ser. Anomalae]]