Difference between revisions of "Crataegus ×dispessa"
J. Elisha Mitchell Sci. Soc. 19: 17. 1903. as species
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Crataegus ×dispessa | |accepted_name=Crataegus ×dispessa | ||
| − | |accepted_authority= | + | |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 | ||
| + | |other_info_on_pub=as species | ||
}} | }} | ||
|special_status={{Treatment/ID/Special_status | |special_status={{Treatment/ID/Special_status | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Crataegus ×dispessa | name=Crataegus ×dispessa | ||
| − | |authority= | + | |authority=Ashe |
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication year=1903 | |publication year=1903 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |source xml=https:// | + | |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.