TOADFLAX
File Size: 69 KB
 
Nuttallanthus texanus   (Scheele ) D.A. Sutton
[=Linaria canadensis  (L. ) Dum.  var. texana  (Scheele ) Pennell]
Barber County, Kansas
Annual, emerging in winter
Height: 4-20 inches
Family: Scrophulariaceae - Figwort Family
Flowering Period:   April, May, June
Also Called: Texas toadflax.
Stems: Flowering stems erect or ascending, 1 to several, simple or branched above, slender, glabrous; often also rosette of short prostrate stems.
Leaves: Of 2 types, mostly glabrous; leaves of short, basal stems opposite or in 3s, oblanceolate to spatulate, 1/5 to 2/5 inch long, about 1/10 inch wide; leaves of flowering stems alternate, sessile, linear or linear-lanceolate, 1/2 to 1 inch long, less than 1/10 inch wide; margins entire.
Inflorescences: Racemes, slender, terminal.
Flowers: Short-stalked; calyces 5-parted, segments lanceolate, nearly equal; corollas 2-lipped; 1/4 to 1/2 inch long, pale blue-violet or bluish purple; upper lip with 2 erect lobes, longer lower lip with 3 spreading lobes; spurs curved, threadlike, additional 1/4 to 1/2 inch long.
Fruits: Capsules, nearly spherical; seeds numerous, angular, covered with tiny bumps.
Habitat: Dry thickets, open ground, roadsides, and old fields, on sandy soils.
Distribution: Principally east 1/2, more frequently southward in Kansas.

Toadflax flowers
73 KB
Barber County, Kansas
Toadflax inflorescence
63 KB
Barber County, Kansas
Toadflax
73 KB
Barber County, Kansas
Toadflax
160 KB
Barber County, Kansas