|Scientific Name||Nuttallanthus texanus (Linaria texana)||USDA PLANTS Symbol||NUTE|
|Common Name||Texas Toadflax||ITIS Taxonomic Serial No.||503971|
|Description||Habitat: Sandy or gravelly soils in fields, arroyos, stream banks, grassy hillsides and open woods.
Plant: Slender, delicate annual/biennial with erect flowering stems up to 28 inches tall with a few short prostrate stems often from base.
Leaves: Smooth, dark green, rather densely leafy below, more sparse above; leaves on flowering stems linear to linear-oblong, opposite or ternate at base of stem and alternate above, and sessile, up to 1-1/4 inches long; leaves of flowerless stems crowded, ovate, elliptic or linear, up to 3/4-inch long and on short petioles.
Inflorescence: Racemes of very pale violet/blue two-lipped flowers 0.4 to 0.55-inch long; upper lip smaller, two-lobed, lower lip much larger and three-lobed; slender, curved spur below 0.2 to 0.35-inch long.
Bloom period: February to May.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston (as Linaria texana), "Wildflowers of Texas" by Michael Eason, "Wildflowers of the Texas Hill Country" by Marshall Enquist, and SEINet.
Note: Very similar to N. canadensis except this flower and spur are larger.
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023