Shrub up to 3 m. tall or more; branchlets, lvs below, and peduncles clad in soft white to slightly yellowish tomentum. Lvs 5-10 × 1·5-2 cm., narrow-oblanceolate to lanceolate, acuminate, narrowed to winged petiole, coriac., glab. above when mature, closely bluntly dentate, teeth calloused. Peduncles 3-8 cm. long, stout, clad in foliaceous bracts. Capitula 3-4 cm. diam.; phyll. in 2-3 series, linear-oblong, acute, outer tomentose on back, inner glab. or nearly so except at tips. Ray-florets white, disk-florets yellow, receptacle up to 1 cm. diam.; achenes compressed, pilose, 4-5 mm. long; pappus-hairs slender, up to 6 mm. long.
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