green rabbitbrush, Nevada rabbitbrush, Parry's goldenbush, Parry's rabbitbrush
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Palmer goldenweed, Palmer's goldenbush
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Plants 10–100 cm. |
Plants 50–400 cm. |
ascending to erect, greenish when young becoming tan and gray, sometimes fastigiately branched, densely white to grayish tomentose, eglandular. |
erect, much branched, twigs crowded, green when young, becoming reddish brown to gray, glabrous or sparsely hairy, usually covered with resin-filled pits. |
(sparse to crowded) erect to ascending or spreading; blades linear to spatulate (plane or concave), 10–80 × 0.5–8(–14) mm, midnerves (sometimes + 2 laterals) evident, apices acute, faces glabrous or gray, greenish, or yellowish tomentose, sometimes viscid, sometimes gland-dotted or stipitate-glandular; axillary leaf fascicles absent. |
(moderately crowded) ascending to spreading; blades linear to narrowly oblanceolate (terete, sulcate, or flattened), 5–50 × 0.5–2 mm, midnerves obscure or evident abaxially, apices acute, faces glabrous or moderately hairy, gland-dotted (in circular, deep pits), resinous; axillary fascicles with 1–10 leaves, shorter than subtending leaves. |
1–10+ mm (bracts 0–3, transitional from distal leaves to phyllaries). |
2–15 mm (bracts 5–10+, leaflike). |
subcylindric, 9–18 × 4–8 mm. |
turbinate to subcampanulate, 4–7 × 2.5–4 mm. |
0. |
2–8; laminae 4–5 × 1–1.8 mm. |
5–20; corollas 8–12.5 mm. |
6–20; corollas 5–7 mm. |
10–20 in 3–6 series, tan, ovate to lanceolate or elliptic, 5–11+ × 0.7–2 mm, subequal, mostly chartaceous, sometimes herbaceous-tipped, midnerves mostly evident, (margins narrowly membranous, entire, mostly tomentulose, rarely eciliate) apices acuminate to attenuate, abaxial faces usually tomentose, sometimes resinous. |
16–24 in 3–5 series, mostly tan, narrowly oblong to elliptic, 1.5–6 × 0.4–0.8 mm, unequal, mostly chartaceous, midnerves evident on at least distal 1/2, slightly to strongly thickened, expanded distally, (margins narrowly membranous, sometimes ciliate distally) apices acute to rounded, abaxial faces glabrous, outer sometimes gland-dotted (sessile), frequently resinous. |
usually in congested, racemiform or cymiform clusters, sometimes grouped in paniculiform or thyrsiform arrays, sometimes borne singly. |
in racemiform to thyrsiform arrays (to 50 × 2–15 cm). |
tan, narrowly ellipsoid to subturbinate, 3–8 mm, sericeous; pappi off-white to brown, 3.3–7.5 mm. |
tan to brown, subcylindric, 3.5–4 mm, moderately to densely hairy; pappi off-white to brown, 5–8 mm. |
= 18. |
= 18. |
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AZ; CA; CO; ID; MT; NE; NM; NV; OR; UT; WY
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CA; nw Mexico
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Varieties 12 (12 in the flora). Ericameria parryi is widespread, often abundant, and variable (some authors recognize additional varieties). It is reported to hybridize with E. nauseosa. This treatment is based largely on the extensive research on Ericameria and related taxa by L. C. Anderson (1986). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
1. Heads 1–2(–4) at branch tips; leaves sparsely to densely tomentulose (2800–3700 m, California, Nevada) | var. monocephala |
1. Heads (2–)4–20+ in cymiform, racemiform, sometimes branched and paniculiform or thyrsiform, arrays, sometimes in terminal glomerules, if heads 1–2, leaves glabrous, viscidulous (var. montana); leaves glabrous or hairy (often tomentulose to tomentose) | → 2 |
2. Leaves oblanceolate, 5–14 mm wide (Califor-nia) | var. latior |
2. Leaves linear, linear-spatulate, oblanceolate, or spatulate, 0.5–5 mm wide | → 3 |
3. Leaves abundantly stipitate-glandular (never glabrous or otherwise hairy; California, Nevada) | var. aspera |
3. Leaves glabrous or tomentulose to tomentose, usually eglandular, sometimes viscidulous or sparsely or minutely stipitate-glandular, or gland-dotted | → 4 |
4. Distalmost leaves overtopping arrays | → 5 |
4. Distalmost leaves usually shorter than or equaling (seldom overtopping) arrays | → 10 |
5. Leaves minutely stipitate-glandular | var. parryi |
5. Leaves not stipitate-glandular, sometimes gland-dotted (sessile), glabrous, moderately hairy, tomentose, or viscidulous | → 7 |
6. Leaf faces glabrous, viscidulous. | → 6 |
6. Leaf faces tomentulose, tomentose, or moderately hairy, sometimes gland-dotted | → 8 |
7. Plants 10–20 cm; leaves 20–35 mm; corolla lobes 1.4–1.7; Idaho/Montana border | var. montana |
7. Plants 30–60 cm; leaves 30–50(–80) mm; corolla lobes 1–1.5 mm; Salmon River drain-age, Idaho | E. var. salmonensis |
8. Leaf faces glabrous or puberulent, often minutely stipitate-glandular; florets 8–20 | var. parryi |
8. Leaf faces tomentulose to tomentose, sometimes gland-dotted; florets 5–7(–8) | → 9 |
9. Leaf faces tomentose, eglandular; corollas pale yellow; n Arizona, Colorado, Nebraska, New Mexico, s Utah, Wyoming | var. howardii |
9. Leaf faces densely tomentulose, gland-dotted; corollas clear yellow; Arizona, California, Nevada, Oregon, Utah | var. nevadensis |
10. Leaves 10–15 mm; outer phyllary apices sometimes reddish; florets 10–18 (California, s San Bernardino County) | var. imula |
10. Leaves (15–)20–50(–80) mm; outer phyllary apices tan or greenish, not reddish; florets 4–10 | → 11 |
| → 12 |
11. Leaves not gland-dotted | → 13 |
12. Plants 20–60 cm; leaf faces densely tomentulose, gland-dotted; corolla lobes 1–1.5 mm; California (c, n Sierra Nevada, Great Basin), Nevada, Oregon, Utah | var. nevadensis |
12. Plants 10–20 cm; leaf faces glabrous, minutely gland-dotted; corolla lobes 1.5–1.9 mm; California (s Sierra Nevada) | var. vulcanica |
13. Leaf faces tomentulose; corolla lobes 0.7–1 mm | var. affinis |
13. Leaves glabrous or sparsely hairy, sometimes ± viscid; corolla lobes 1–2 mm | → 14 |
14. Corollas clear yellow, tubes glabrous, lobes 1.5–2 mm; Colorado, New Mexico, Utah | var. attenuata |
14. Corollas pale yellow, tubes distally puberulent, lobes 1–1.5 mm; SalmonRiver drainage, Idaho | var. salmonensis |
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1. Leaves 8–20(–30) mm; axillary leaves 2–10 per fascicle; subapical resin ducts on at least outer and mid phyllaries strongly thickened; midnerves usually not evident on proximal 1/2 of each phyllary; florets 6–12(–14); Riverside to Ventura counties, California | var. pachylepis |
1. Leaves 20–40 mm; axillary leaves 1–2 per fascicle; subapical resin ducts on phyllaries not strongly thickened; midnerves usually evident on proximal 1/2 of each phyllary; florets 12–30; San Diego County, California | var. palmeri |
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FNA vol. 20, p. 71. |
FNA vol. 20, p. 70. |
Asteraceae > tribe Astereae > Ericameria |
Asteraceae > tribe Astereae > Ericameria |
E. albida, E. arborescens, E. arizonica, E. bloomeri, E. brachylepis, E. cervina, E. compacta, E. cooperi, E. crispa, E. cuneata, E. discoidea, E. ericoides, E. fasciculata, E. gilmanii, E. greenei, E. laricifolia, E. lignumviridis, E. linearifolia, E. linearis, E. nana, E. nauseosa, E. obovata, E. ophitidis, E. palmeri, E. paniculata, E. parishii, E. pinifolia, E. resinosa, E. suffruticosa, E. teretifolia, E. watsonii, E. winwardii, E. zionis |
E. albida, E. arborescens, E. arizonica, E. bloomeri, E. brachylepis, E. cervina, E. compacta, E. cooperi, E. crispa, E. cuneata, E. discoidea, E. ericoides, E. fasciculata, E. gilmanii, E. greenei, E. laricifolia, E. lignumviridis, E. linearifolia, E. linearis, E. nana, E. nauseosa, E. obovata, E. ophitidis, E. paniculata, E. parishii, E. parryi, E. pinifolia, E. resinosa, E. suffruticosa, E. teretifolia, E. watsonii, E. winwardii, E. zionis |
E. parryi var. affinis, E. parryi var. aspera, E. parryi var. attenuata, E. parryi var. howardii, E. parryi var. imula, E. parryi var. latior, E. parryi var. monocephala, E. parryi var. montana, E. parryi var. nevadensis, E. parryi var. parryi, E. parryi var. salmonensis, E. parryi var. vulcanica, E. var. salmonensis |
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Linosyris parryi |
Haplopappus palmeri |
(A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 88. (1993) |
(A. Gray) H. M. Hall: Univ. Calif. Publ. Bot. 3: 53. (1907) |
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