Hollisteria lanata S.Watson

Plants 0.3-0.8(-1) × (0.5-)0.8-3(-5) dm. Leaves: basal blades (1.5-)2-5(-6) × (0.2-)0.3-0.7(-0.9) cm; cauline blades (0.5-)1-3.5 × (0.1-)0.3-0.8(-1) cm. Inflorescences: bracts dimorphic, lateral 2 obvious, 2-5 mm, thinly pubescent, central 1 obscured, 1-2(-3) mm, densely tomentose. Involucral bracts 2 mm, densely tomentose. Flowers: perianth 1.5-2 mm. Achenes 1.7-2 mm. 2n = 42.