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Pinaropappus roseus (Less.) Less.  
Family: Asteraceae
White Rock-Lettuce, more...white rocklettuce
Pinaropappus roseus image
Sue Carnahan
  • FNA
  • Resources
David J. Bogler in Flora of North America (vol. 19, 20 and 21)
Perennials, 10-40 cm. Stems 1-20+, bases relatively thin. Leaf blades narrowly oblanceolate, 4-12 cm × 2-15 mm; mid cauline often reduced to linear or minute bracts. Involucres campanulate, 10-15 × 12-20 mm. Phyllaries ovate to narrowly lanceolate, unequal, 2-14 mm, apices dark brown, obtuse to acute. Paleae 12-18 mm. Florets 20-40. corollas pale pink abaxially, white to yellow adaxially, 15-18 mm. Cypselae 5-6 mm; pappi 4-7 mm. 2n = 18.

Flowering Mar-Aug. Open limestone areas, roadsides, cliffs, open grassy flats; 50-2600 m; Ariz., N.Mex., Okla., Tex.; Mexico.

At flowering, phyllaries of Pinaropappus roseus are pale green with margins suffused with pink. On fresh specimens, the dark brown tips are distinctive. Specimens from the mountains of southeastern Arizona and southwestern New Mexico with stems leafy beyond the middles have been recognized as var. foliosus; that trait appears to be widespread and part of the normal range of variation for the species.

Pinaropappus roseus
Open Interactive Map
Pinaropappus roseus image
Sue Carnahan
Pinaropappus roseus image
Liz Makings
Pinaropappus roseus image
Liz Makings
Pinaropappus roseus image
© 2013 Richard Spellenberg
Pinaropappus roseus image
© 2013 Richard Spellenberg
Pinaropappus roseus image
© 2013 Richard Spellenberg
Pinaropappus roseus image
Sue Carnahan
Pinaropappus roseus image
Sue Carnahan
Pinaropappus roseus image
Sue Carnahan
Pinaropappus roseus image
Sue Carnahan
Pinaropappus roseus image
© 2013 Richard Spellenberg
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Foster, Nicholas
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This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].
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