Solanum rostratum
(Buffalo Bur)
Solanum rostratum, Pflugerville, Travis Co. 3935
Solanum rostratum, Austin, Travis Co. 9412
Solanum rostratum, Austin, Travis Co. 9418
Solanum rostratum, Goodwater Trail, Lake Georgetown, Williamson Co. 1136
Solanum rostratum, Goodwater Trail, Lake Georgetown, Williamson Co. 1138
Solanum rostratum, Pflugerville, Travis Co. 3932
| Scientific Name | Solanum rostratum | USDA PLANTS Symbol | SORO |
| Common Name | Buffalo Bur, Buffalobur Nightshade | ITIS Taxonomic Serial No. | 30454 |
| Family | Solanaceae (Nightshade) | SEINet Reference |
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| Description | Habitat: Various soil types, including dry, rocky soils; waste areas, overgrazed pastures and along roadsides. Plant: Erect annual 10 to 30 inches tall, single or a few much-branched hairy stems with long yellow sharp spines. Leaves: Alternate, blades elliptic to broadly ovate in outline, 3 to 5 inches long; irregularly pinnately-lobed or twice pinnatifid to pinnatisect near the base; prickly along main veins. Inflorescence: Terminal, or arising from leaf axils, racemes with a few bright yellow flowers 3/4 to 1-inch across with 5 widely spreading petals or lobes and protruding anthers. Bloom Period: April to November. References: "Wildflowers of the Texas Hill Country" by Marshall Enquist and "Wildflowers of Texas" by Geyata Ajilvgsi. |
BONAP Distribution Map Map Color Key |
Texas Status: Native |
Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County
© Tom Lebsack 2024