familyRosaceae
subfamilyRosaceae subfam. Amygdaloideae
genusCrataegus
sectionCrataegus sect. Coccineae
speciesCrataegus margarettae
Difference between revisions of "Crataegus margarettae var. angustifolia"
in C. C. Deam, Fl. Indiana, 543. 1940.
Conservation concernEndemic
Treatment appears in FNA Volume 9. Treatment on page 602.
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|accepted_name=Crataegus margarettae var. angustifolia | |accepted_name=Crataegus margarettae var. angustifolia | ||
| − | |accepted_authority=E. J. Palmer | + | |accepted_authority=E. J. Palmer |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in C. C. Deam, Fl. Indiana, | |title=in C. C. Deam, Fl. Indiana, | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Crataegus margarettae var. angustifolia | name=Crataegus margarettae var. angustifolia | ||
| − | + | |authority=E. J. Palmer | |
| − | |authority=E. J. Palmer | ||
|rank=variety | |rank=variety | ||
|parent rank=species | |parent rank=species | ||
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|publication year=1940 | |publication year=1940 | ||
|special status=Conservation concern;Endemic | |special status=Conservation concern;Endemic | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V9/V9_1035.xml |
|subfamily=Rosaceae subfam. Amygdaloideae | |subfamily=Rosaceae subfam. Amygdaloideae | ||
|tribe=Rosaceae tribe Gillenieae | |tribe=Rosaceae tribe Gillenieae | ||
Latest revision as of 22:53, 5 November 2020
Leaves: blade lance-elliptic or oblong-lanceolate, 3–5 cm, base cuneate, lobes 0 or obscure, sinuses shallow, apex acute. Flowers 12–17 mm diam. Pomes broadly ellipsoid to suborbicular.
Phenology: Flowering May; fruiting Sep–Oct.
Habitat: Hedgerows, thickets, wood margins, dry areas
Elevation: 100–300 m
Distribution
Ont., Ind., Mich.
Discussion
Of conservation concern.
Variety angustifolia is very sporadic in its occurrence but has a rather limited range.
Selected References
None.
Lower Taxa
None.