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FNA | Family List | FNA Vol. 20 | Asteraceae | Ericameria

21h. Ericameria nauseosa (Pallas ex Pursh) G. L. Nesom & G. I. Baird var. juncea (Greene) G. L. Nesom & G. I. Baird, Phytologia. 75: 86. 1993.

Rush rabbitbrush

Bigelowia juncea Greene, Bot. Gaz. 6: 184. 1881 (as Bigelovia); Chrysothamnus nauseosus (Pallas ex Pursh) Britton var. junceus (Greene) H. M. Hall

Plants 40–70 cm. Stems yellowish green, usually leafless at flowering, compactly tomentose. Leaves yellowish green; blades 1-nerved, filiform, 10–30 × 0.7–1 mm, faces compactly tomentose. Involucres 9.5–12 mm. Phyllaries 22–25, apices erect , acute, abaxial faces tomentose or glabrate . Corollas 7–8.5 mm, tubes hairy, lobes 0.7–0.9 mm, villous; style appendages longer than stigmatic portions. Cypselae hairy; pappi 5.6–7.6 mm. 2n = 18.

Flowering late summer-fall. Blackbrush, matchweed, shadscale, and pinyon-juniper communities; 1200–1800 m; Ariz., Nev., Utah.


 

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