Xanthisma grindelioides (Nuttall) D.R. Morgan & R.L. Hartman  
Family: Asteraceae
Nuttall tarweed, more...Rayless Sleepy Daisy, rayless aster, rayless tansy-aster, rayless tansyaster
[Eriocarpum grindelioides Nutt., moreHaplopappus nuttallii Torr. & Gray, Haplopappus nuttallii var. nuttallii , Machaeranthera grindelioides (Nutt.) Shinners]
Xanthisma grindelioides image
Al Schneider
  • FNA
  • Resources
Ronald L. Hartman in Flora of North America (vol. 20)
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
Open Interactive Map
Xanthisma grindelioides image
Al Schneider
Xanthisma grindelioides image
Al Schneider
Xanthisma grindelioides image
Al Schneider
Xanthisma grindelioides image
Al Schneider
Xanthisma grindelioides image
Al Schneider
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Xanthisma grindelioides image
Click to Display
100 Initial Images
- - - - -
View All Images