familyRosaceae
subfamilyRosaceae subfam. Amygdaloideae
genusCrataegus
sectionCrataegus sect. Macracanthae
speciesCrataegus scabrida
Difference between revisions of "Crataegus scabrida var. scabrida"
Synonyms: Crataegus improvisa Sargent
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Latest revision as of 23:00, 5 November 2020
Leaf blades ovate, 4–7 cm, adaxial surface variably pubescent young. Inflorescence branches glabrous. Flowers: hypanthium glabrous.
Phenology: Flowering May–Jun; fruiting Sep–Oct.
Habitat: Brush, roadsides, woodland edges
Elevation: 50–400 m
Distribution
N.B., N.S., Ont., Que., Maine, Mass., Mich., N.Y., Vt., Wis.
Discussion
Variety scabrida is widely spread through the range of Crataegus scabrida from Wisconsin to New England and Nova Scotia; it is nearly identical to C. brainerdii except for stamen number. Crataegus improvisa is a form with narrowly rhombic leaves.
Selected References
None.
Lower Taxa
None.