Oldfield Sneezeweed

Helenium campestre Small, Fl. SE. U. S. 1291. 1903
A tall perennial; stem 5-10 dm. high, sparingly villous, rather broadly winged below,
narrowly so above, sparingly branched above; branches at an angle of 30°-45°; basal and lower
cauline leaves 5-9 cm. long, spatulate or oblanceolate, pinnately lobed above the middle,
sparingly villous; upper stem-leaves linear or linear-lanceolate, entire or denticulate; heads
corymbose, radiate; bracts lanceolate, 6-10 mm. long; receptacle broadly ovoid; ray-flowers
neutral; ligules 2.5-3 cm. long, 10-12 mm. wide, 3-lobed with a narrow claw; disk purplish,
more than 1 cm. broad; corollas 3 mm. long, glandular-granuliferous; tube about 0.5 mm.
long; achenes 2 mm. long, hispidulous on the ribs; squamellae ovate, obtuse, 0.5 mm. long.
Type locality: Little Rock, Arkansas. Distribution: Missouri, Arkansas, and Texas.