Difference between revisions of "Crataegus ×dispessa"

Ashe

J. Elisha Mitchell Sci. Soc. 19: 17. 1903. as species

Endemic
Basionym: Crataegus pyriformis Britton Bull. New York Bot. Gard. 1: 449. 1900,
Synonyms: C. treleasei Sargent
Treatment appears in FNA Volume 9. Treatment on page 638. Mentioned on page 552, 639.
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{{Treatment/ID
 
{{Treatment/ID
 
|accepted_name=Crataegus ×dispessa
 
|accepted_name=Crataegus ×dispessa
|accepted_authority=Crataegus ×dispessa Ashe
+
|accepted_authority=Ashe
 
|publications={{Treatment/Publication
 
|publications={{Treatment/Publication
 
|title=J. Elisha Mitchell Sci. Soc.
 
|title=J. Elisha Mitchell Sci. Soc.
 
|place=19: 17. 1903
 
|place=19: 17. 1903
 
|year=1903
 
|year=1903
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|other_info_on_pub=as species
 
}}
 
}}
 
|special_status={{Treatment/ID/Special_status
 
|special_status={{Treatment/ID/Special_status
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|label=Endemic
 
|label=Endemic
 
}}
 
}}
|basionyms={{Treatment/ID/Synonym
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|basionyms={{Treatment/ID/Basionym
 
|name=Crataegus pyriformis
 
|name=Crataegus pyriformis
 
|authority=Britton
 
|authority=Britton
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|rank=species
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|publication_title=Bull. New York Bot. Gard.
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|publication_place=1: 449. 1900,
 
}}
 
}}
 
|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
 
|name=C. treleasei
 
|name=C. treleasei
 
|authority=Sargent
 
|authority=Sargent
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|rank=species
 
}}
 
}}
 
|hierarchy=Rosaceae;Rosaceae subfam. Amygdaloideae;Rosaceae tribe Gillenieae;Crataegus;Crataegus ×dispessa
 
|hierarchy=Rosaceae;Rosaceae subfam. Amygdaloideae;Rosaceae tribe Gillenieae;Crataegus;Crataegus ×dispessa
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|elevation=100–200 m
 
|elevation=100–200 m
 
|distribution=Mo.
 
|distribution=Mo.
|discussion=<p>Crataegus ×dispessa is found in southern Missouri to Boone County and was last collected in Dallas County.</p><!--
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|discussion=<p><i>Crataegus ×dispessa</i> is found in southern Missouri to Boone County and was last collected in Dallas County.</p><!--
--><p>Crataegus ×dispessa is probably of ser. Molles × C. collina var. hirtiflora parentage, the bracteole type not being characteristic of ser. Molles.</p>
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--><p><i>Crataegus ×dispessa</i> is probably of ser. Molles × <i>C. collina </i>var.<i> hirtiflora</i> parentage, the bracteole type not being characteristic of ser. Molles.</p>
 
|tables=
 
|tables=
 
|references=
 
|references=
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name=Crataegus ×dispessa
 
name=Crataegus ×dispessa
|author=
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|authority=Ashe
|authority=Crataegus ×dispessa Ashe
 
 
|rank=species
 
|rank=species
 
|parent rank=genus
 
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|publication year=1903
 
|publication year=1903
 
|special status=Endemic
 
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V9/V9_1096.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V9/V9_1096.xml
 
|subfamily=Rosaceae subfam. Amygdaloideae
 
|subfamily=Rosaceae subfam. Amygdaloideae
 
|tribe=Rosaceae tribe Gillenieae
 
|tribe=Rosaceae tribe Gillenieae

Latest revision as of 13:42, 30 November 2021

Trees, 55 dm. Stems: twigs: new growth canescent, 1-year old dark brown, older gray; thorns on twigs absent or few, straight or slightly curved, 1-year old dark purple, 3 cm. Leaves deciduous; petiole slender, length 33–43% blade, distally winged, densely pubescent, eglandular; blade elliptic to suborbiculate, 3–7 cm, base cuneate, lobes 0 or 1–3 per side, apiculi, margins sharply serrate, venation craspedodromous, veins 5 per side, sharply impressed, apex acute, surfaces glabrate, glabrescent, abaxial veins densely pubescent, adaxial appressed-pubescent young. Inflorescences 10–20-flowered; branches tomentose; bracteoles caducous, numerous, linear, ± membranous, margins glandular. Flowers 20–25 mm diam.; hypanthium canescent; sepals narrowly triangular, margins glandular-serrate to glandular-laciniate, abaxial surface densely pubescent; stamens 20, anthers cream, sometimes pink; styles 4 or 5. Pomes crimson, suborbicular, 12–17 mm diam., pubescent; sepals erose or patent; pyrenes 4 or 5, dorsally grooved, sides plane.


Phenology: Flowering May; fruiting Sep–Oct.
Habitat: Brush, along streams and woodland margins
Elevation: 100–200 m

Discussion

Crataegus ×dispessa is found in southern Missouri to Boone County and was last collected in Dallas County.

Crataegus ×dispessa is probably of ser. Molles × C. collina var. hirtiflora parentage, the bracteole type not being characteristic of ser. Molles.

Selected References

None.

Lower Taxa

None.