Verbena rigida
(Tuberous Vervain)
Verbena rigida, Along IH-45 near Huntsville State Park, Walker Co. 7528
Verbena rigida, Along IH-45 near Huntsville State Park, Walker Co. 7525
Verbena rigida, Along IH-45 near Huntsville State Park, Walker Co. 7537
Verbena rigida, Along IH-45 near Huntsville State Park, Walker Co. 7545
Verbena rigida, Along IH-45 near Huntsville State Park, Walker Co. 7549
| Scientific Name | Verbena rigida | USDA PLANTS Symbol | VERI2 |
| Common Name | Tuberous Vervain, Slender Vervain | ITIS Taxonomic Serial No. | 32118 |
| Family | Verbenaceae (Verbena) | SEINet Reference |
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| Description | Habitat: Various soil types in pastures, roadsides and prairies. Plant: Upright to sprawling perennial, 8 to 24 inches tall; rough, spreading stems. Leaves: Opposite, oblong to oblanceolate, 3/4 to 4 inches long and sessile to nearly clasping; margins are coarsely-serrate; upper and lowers surfaces are rough (scabrous). Inflorescence: Congested, rounded spikes 1 to 2 inches long, usually 3 per stem, with many small blue to lavender or purple blossoms; corollas are tubular with 5 spreading lobes and about 1/4-inch across. Bloom Period April to October. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, "Wildflowers of Texas" by Geyata Ajilsvsgi and Vascular Plants of Williamson County by A. C. Gibson. |
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 2024