Roldana hartwegii (Benth.) H.E. Robins. & Brett.  
Family: Asteraceae
Hartweg's groundsel, more...Yellow Hairwort, Madrean groundsel, Carl Mason's ragwort (es: hoja ancha, pintapán, geranio del campo)
[Roldana carlomasonii (B.L. Turner & T.M. Barkl.) C. Jeffrey, moreRoldana hartwegii var. carlomasonii , Senecio carlomasonii B.L. Turner & T.M. Barkl., Senecio hartwegii Benth., Senecio seemanii auct. non Schultz-Bip. ex Seem.]
Roldana hartwegii image
Sue Carnahan
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A. Michele Funston in Flora of North America (vol. 20)
Stems often marked with purplish spots or striae. Leaves: petioles mostly 3-7 cm; blades (ultimate venation raised and finely reticulate) mostly 10-20 × 10-20 cm (smaller distally), bases cordate to truncate, faces sometimes initially sparsely hirsute (only bases of hairs remaining at flowering). Phyllaries mostly 4-6 mm. Ray corolla laminae mostly 3-4 × 1.5-2 mm. Disc corollas 6-8 mm, tubes usually glandular-puberulent. Cypselae (1-)2.5 mm; pappi 4-6 mm. 2n = 60. Flowering late summer-fall. Pine-oak forests, waste places, roadsides; 1200-1800 m; Ariz., N.Mex.; Mexico.
Roldana hartwegii
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Sue Carnahan
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Liz Makings
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Liz Makings
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Stephen Hale
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Stephen Hale
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Stephen Hale
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Patrick Alexander
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Patrick Alexander
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Douglas Danforth
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Ávila-González H.
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Ávila-González H.
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Ávila-González H.
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Stephen Hale
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