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yellowleaf hawthorn
Scientific Name: Crataegus flava
Family: Rosaceae
Category: Dicot
Growth: Tree, Shrub
Duration: Perennial
Other Names:
Yellowleaf Hawthorn (Crataegus flava)
Considerations for Pets
- The text mentions the presence of thorns in relation to Hawthorns in general.
- Some hawthorns produce berries.
Considerations for Children
- The text mentions the presence of thorns in relation to Hawthorns in general.
- Some hawthorns produce berries.
Common Names
- Yellowleaf Hawthorn
- Summer Haw
- Yellow-leaf Hawthorn
Taxonomy and Nomenclature
- Scientific Name: Crataegus flava Ait.
- Family: Rosaceae (Rose family)
- Plant Symbol: CRFL2
Distribution and Habitat
- Open woods and low hills.
- Prefers dry habitats.
Morphological Characteristics and Growth Habits
- Thicket-forming shrub or small tree.
- Deciduous tree.
- Leaves grow spirally arranged on long shoots, and in clusters on spur shoots.
- Leaf blade is simple (lobed or unlobed).
Ecological Role
- The tree is susceptible to cedar-hawthorn rust, which causes yellow spots on leaves and deformed fruit.
- Hawthorn leaf spot can affect this tree, causing leaves to turn yellow and drop.
Interactions with Other Organisms
- Aphids can attack the leaves, sucking sap and causing them to turn yellow and curl.
- Cedar-hawthorn rust is caused by the fungus Gymnosporangium globosum.
- Hawthorn leaf blight is caused by the fungus Diplocarpon mespili (also known as Entomosporium leaf spot).
- Entomosporium maculatum is a fungus that causes leaf spot.
Resources and Further Information
- USDA NRCS National Plant Data Center
- Discover Life: Crataegus flava - Yellowleaf hawthorn