Xanthisma grindelioides (Nuttall) D.R. Morgan & R.L. Hartman (redirected from: Haplopappus nuttallii)
Family: Asteraceae
[Eriocarpum grindelioides Nutt.,  more...]
Xanthisma grindelioides image
Photo ©Al Schneider, swcoloradowildflowers.com  

Subshrubs, 3-35 cm (tufted or densely cespitose, often mound-forming); caudices much branched, taproot 2-20+ cm. Stems 10-30+, simple or branched in distal 1 / 3 , moderately stout to stout, not wiry, hairy or minutely stipitate-glandular. Leaves: basal often persistent; cauline evenly spaced, blades oblong, obovate, lanceolate to spatulate or narrowly ovate to obovate, 7-60 × 2-13 mm, gradually reduced distally, margins usually evenly coarsely serrate to serrulate, teeth 4-16 per side, each tipped with white bristle 0.5-4 mm, faces sparsely to densely hairy (hairs subappressed), often minutely stipitate-glandular. Heads 1-10+. Peduncles sparsely to densely hairy, often stipitate-glandular; sometimes bracteate. Involucres hemispheric to campanulate, 0.5-1 × 0.6-1.5 cm. Phyllaries in 3-5 series, oblong to broadly lanceolate, 2-9 mm, apices obtuse to acute, tipped by white seta, faces usually densely stipitate-glandular. Ray florets 0. Disc florets 15-50+; corollas 5-8.5 mm. Cypselae oblong to narrowly obovoid, 2-3.5 mm, ribs 12-24, densely whitish to tawny hairy; pappi whitish to tawny, 3-7 mm, a few abaxial bristles to 1 / 3 of longest.

Xanthisma grindelioides image
Photo ©Al Schneider, swcoloradowildflowers.com  
Xanthisma grindelioides image
Photo ©Al Schneider, swcoloradowildflowers.com  
Xanthisma grindelioides image
Photo ©Al Schneider, swcoloradowildflowers.com  
Xanthisma grindelioides image
Photo ©Al Schneider, swcoloradowildflowers.com  
Xanthisma grindelioides image
Photo ©Al Schneider, swcoloradowildflowers.com  
Xanthisma grindelioides image
Photo ©Al Schneider, swcoloradowildflowers.com