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northern hawthorn
Scientific Name: Crataegus dissona
Family: Rosaceae
Category: Dicot
Growth: Tree, Shrub
Duration: Perennial
Other Names:
Hawthorn (Crataegus spp.)
The name "hawthorn" originally referred to species native to northern Europe, particularly the common hawthorn C. monogyna. Several species are referenced in this text, notably Crataegus dissona Sarg. (northern hawthorn) and Crataegus rotundifolia.
Considerations for Pets
- Many hawthorn species have thorns.
- Fruits of some hawthorns are eaten by birds, suggesting the presence of fleshy or otherwise attractive parts.
Considerations for Children
- Many hawthorn species have thorns.
Taxonomy and Nomenclature
- Scientific Name: Mentions Crataegus monogyna, Crataegus dissona Sarg., and Crataegus rotundifolia.
- Common Names: Hawthorn, Northern Hawthorn, May (for the common hedging shrub flowering in May).
- Synonyms: Northern hawthorn was previously considered a variety of Crataegus pruinosa.
Distribution and Habitat
- Native to northern Europe.
- Common hedging shrub in Northern Ireland.
- Specific locations mentioned: Hawthorn Grove in Londonderry, Northern Ireland; various locations in Northern Ireland with "Hawthorn" in their name (e.g., Hawthorn Cottage, Hawthorn Lodge).
Morphological Characteristics
- Common hedging shrub producing heavily-scented white or pinkish flowers in May.
- Produces fruits in late summer, which are eaten by redwings and fieldfares migrating from northern Europe.
Interactions with Other Organisms
- Fruits are a food source for redwings and fieldfares.
- Mention of hawthorn-infesting Rhagoletis pomonella (flies).
Quirky Facts
- The common hedging shrub is known as “May” because it produces heavily-scented flowers in that month.