Crataegus pennsylvanica
Crataegus pennsylvanica, known as the Pennsylvania thorn,[1] is a species of hawthorn native to Delaware, New York, North Carolina, Ontario, Ohio, and Pennsylvania,[1] that grows to about 8 m in height.[1] The mature trees have few thorns.[1]
| Crataegus pennsylvanica | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Rosaceae |
| Genus: | Crataegus |
| Section: | Crataegus sect. Coccineae |
| Series: | Crataegus ser. Molles |
| Species: | C. pennsylvanica |
| Binomial name | |
| Crataegus pennsylvanica | |
| Synonyms[1] | |
| |
This species has often been confounded with C. mollis, but the two species have separate native ranges except for an area of overlap in northeastern Ohio.[2]
Images
References
Media related to Crataegus pennsylvanica at Wikimedia Commons
- Phipps, J.B. (2015), "Crataegus pennsylvanica Ashe", in L. Brouillet; K. Gandhi; C.L. Howard; H. Jeude; R.W. Kiger; J.B. Phipps; A.C. Pryor; H.H. Schmidt; J.L. Strother; J.L. Zarucchi (eds.), Magnoliophyta: Picramniaceae to Rosaceae, Flora of North America North of Mexico, 9, New York, Oxford: Oxford University Press, p. 557
- Phipps, J.B.; O’Kennon, R.J.; Lance, R.W. (2003). Hawthorns and medlars. Cambridge, U.K.: Royal Horticultural Society. ISBN 0881925918.
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