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Chrysothamnus greenei (A. Gray) Greene  
Family: Asteraceae
Greene's Rabbitbrush, more...Greene rabbitbrush
[Chrysothamnus greenei subsp. filifolius (Rydb.) Hall & Clements, moreChrysothamnus greenei subsp. greenei , Chrysothamnus greenei var. filifolius (Rydb.) Blake, Ericameria filifolia (Rydb.) L.C. Anders.]
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Kirstin Phillips
  • FNA
  • Resources
Lowell E. Urbatsch, Roland P. Roberts, Kurt M. Neubig in Flora of North America (vol. 20)
Shrubs, 10-50 cm; with woody, moderately branched caudices, bark light gray, flaky to fibrous with age. Stems ascending, green becoming tan, glabrous, resinous. Leaves ascending to spreading; sessile; blades with faint midnerves, linear-filiform, 10-40 × 0.5-2 mm, flat or sulcate, sometimes twisted, margins glabrous or hirtellous, apices acute to apiculate, faces glabrous. Heads in densely cymiform arrays (4 cm wide), distal leaves reaching into but not overtopping arrays. Involucres cylindric to turbinate, 5-8 × 1.5-2.5 mm. Phyllaries 15-20 in 3-4 series, often in vertical ranks or spirals, mostly tan, ± greenish apically, midveins rarely visible, ovate or oblong to elliptic, 1.5-5 × 0.8-1.4 mm, unequal, mostly chartaceous, sometimes ± keeled, apices acuminate to cuspidate (cusp often recurved or falcate), faces glabrous or with a few long, crooked hairs proximally and near margins, resinous. Disc florets 4-5; corollas 3.7-5.5 mm, lobes 0.8-1.5 mm; style branches 2-2.4 mm (exserted beyond spreading corolla lobes), appendages 0.5-0.8 mm (shorter than stigmatic portion). Cypselae reddish brown, turbinate, 3-4 mm, faces densely hairy; pappi tan, 3.7-5 mm. 2n = 18. Flowering summer-fall. Sandy washes, dry open places in desert; 1300-2000 m; Ariz., Calif., Colo., Nev., N.Mex., Utah, Wyo.
Chrysothamnus greenei
Open Interactive Map
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Kirstin Phillips
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Kirstin Phillips
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The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
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