suffruticose at base, nearly or quite glabrous; stem slender, angle-striate, diffusely branched, ascending-erect; leaves distant, narrow-linear, acute, with revolute margins, entire; pedunc. terminal, long, filiform, sparsely scaly, one-headed; inv. shortly calycled, of about 20 acute scales; disc-fl. 40–50; rays 10–12, revolute; achenes puberulous. Perhaps 2 ft. high, laxly branched, very slender, with sparse foliage. Leaves 1 1/2 inch long, 1/4–1 line wide, either completely revolute at edges, and thus filiform, or flattish, with the margin reflected, and sometimes minutely callous denticled. Pedunc. 5–8 inches long, pale. Inv. 3–4 lines long, shorter than the disc; rays yellow, strongly revolute. Calycle not a line long.
