Texas Wildbuds
Oxalis corniculata
(Creeping Yellow Wood Sorrel)
Oxalis corniculata, Inks Lake State Park, Burnet Co. 0097
Oxalis corniculata, Inks Lake State Park, Burnet Co. 0098
Oxalis corniculata, Inks Lake State Park, Burnet Co. 0100
Oxalis corniculata, Inks Lake State Park, Burnet Co. 0101
| Scientific Name | Oxalis corniculata | USDA PLANTS Symbol | OXCO |
| Common Name | Creeping Yellow Wood Sorrel, Yellow Oxalis | ITIS Taxonomic Serial No. | 29067 |
| Family | Oxalidaceae (Oxalis) | SEINet Reference |
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| Description | Habitat: Most soils and habitats, including lawns, gardens, pastures and prairies; widespread; often becoming noxious. Plant: Delicate perennial with creeping stems less than 12 inches long that root at nodes, more or less hairy. Leaves: Alternate, clover-like trifoliate leaves on petioles less than 2-3/4 inches long; each heart-shaped leaflet less than 3/4-inch long, folded towards each other; surfaces are smooth with no oxalate crystals, green but often maroon; margins are often ciliate with villous hairs. Inflorescence: Cyme with 2 to 5 small yellow flowers, 1/4 to 1/2-inch across, each on short (< 3/8-inch) pedicels; 10 stamens a column surrounding pistil; 5 sepals less than 0.2-inch long. Bloom Period: March to October, sporadically year-round. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, E-Flora BC, Wildflowers of the Santa Monica Mountains, Flora of North America and SEINet. |
BONAP Distribution Map Map Color Key |
Texas Status: Introduced |
Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County
© Tom Lebsack 2026
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