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Species
Information
- buffalobur
- Solanum
rostratum Dunal
- USDA
Symbol: SORO
- Oregon
Noxious Weed Designation: B
- Pictures
Identification:
Annual; flowers midsummer to September. Grows up to two feet high. The stems, leaves, and even flowers sport many sharp spines. Leaves are deeply lobed and grow up to 5 inches long. Yellow flowers are one inch across with five petals. A dry berry covered with sharp spines contains numerous black, wrinkled and flattened seeds.
Impacts: Buffalobur is a native of the Great Plains and is drought tolerant. It can be found in meadows, dry rangeland, pastures, lawns, cultivated fields, roadsides, and waste areas. It is not very competitive and survives in disturbed, dry areas. It can grow in a wide variety of environmental conditions and serves as a host for the Colorado potato beetle. It is a common contaminant of bird seed and corn.
Biological
Controls: Currently, there are no biological agents
available for this plant.
Oregon
Maps of Buffalobur Distribution
Links:
USDA
Plants Database information on buffalobur
GRIN
Database information on buffalobur
Oregon Department
of Agriculture information on buffalobur
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