Hymenopappus scaposus

Hymenopappus scaposus Rydb. Bull. Torrey Club 27: 634
1900.
Hymenopappus luleus A. Gray, Mem. Am. Acad. 11. 4: 97. 1849. Not H. luteus Nutt. 1841. Hytnenopappus nudatus Wooton & Standley, Contr. U. S. Nat. Herb. 16: 191. 1913.
A subscapose perennial with cespitose caudex; stems floccose, almost naked, 2-4 dm. high; leaves mostly basal, 5-10 cm. long, bior tri-pinnatifid into linear divisions, 3-10 mm. long, densely tomentose, especially at their bases; stem-leaves much reduced, pinnatifid or simple; heads few, corymbose; involucre 6-8 mm. high, about 10-15 cm. broad; bracts obovate or broadly elliptic, with yellow scarious tips and margins; corollas pale-yellow; tube nearly 2 mm. long; throat deeply campanulate, 2.5-3 mm. long, thrice as long as the lobes; achenes densely silky; squamellae of the pappus nearly 2 mm. long, as long as the tube of the corolla.
Type locality: Vicinity of Flagstaff, Arizona. Distribution: New Mexico, Arizona, and Utah.