familyRosaceae
subfamilyRosaceae subfam. Amygdaloideae
genusCrataegus
sectionCrataegus sect. Coccineae
speciesCrataegus pruinosa
Difference between revisions of "Crataegus pruinosa var. parvula"
Canad. J. Bot. 58: 1684. 1980.
Endemic
Basionym: Crataegus parvula Sargent Crataegus S. Michigan, 527. 1907
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|name=Crataegus parvula | |name=Crataegus parvula | ||
|authority=Sargent | |authority=Sargent | ||
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|publication_title=Crataegus S. Michigan, | |publication_title=Crataegus S. Michigan, | ||
|publication_place=527. 1907 | |publication_place=527. 1907 | ||
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name=Crataegus pruinosa var. parvula | name=Crataegus pruinosa var. parvula | ||
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|authority=(Sargent) J. B. Phipps | |authority=(Sargent) J. B. Phipps | ||
|rank=variety | |rank=variety | ||
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|publication year=1980 | |publication year=1980 | ||
|special status=Endemic | |special status=Endemic | ||
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|subfamily=Rosaceae subfam. Amygdaloideae | |subfamily=Rosaceae subfam. Amygdaloideae | ||
|tribe=Rosaceae tribe Gillenieae | |tribe=Rosaceae tribe Gillenieae | ||
Latest revision as of 00:00, 6 November 2020
Shrubs, 20–30 dm, usually branched to base. Leaves: blade broadly rhombic, 2–4 cm widest in middle, length/width = 1.5, lobes 2–4 per side, sinuses shallow, lobe apex acute, base broadly cuneate, adaxial surface glabrous, sometimes sparsely appressed-hairy along veins. Inflorescence branches glabrous. Flowers 15–22 mm diam.; stamens 20, anthers pale pink.
Phenology: Flowering May; fruiting Sep–Oct.
Habitat: Brush, successional fields, unmanaged pastures
Elevation: 20–300 m
Distribution
Ont., Mass., Mich., N.Y., N.C., Va.
Discussion
Variety parvula is scattered through the northern range of the species and at higher elevations south into the Appalachians; it is characterized by smaller leaves that usually are very shallowly incised.
Selected References
None.
Lower Taxa
None.