Ericameria palmeri |
Ericameria zionis |
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Palmer goldenweed, Palmer's goldenbush |
subalpine goldenbush, subalpine or Cedar Breaks goldenbush |
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Habit | Plants 50–400 cm. | Plants 10–30 cm. | ||||
Stems | erect, much branched, twigs crowded, green when young, becoming reddish brown to gray, glabrous or sparsely hairy, usually covered with resin-filled pits. |
decumbent to ascending, green when young, often reddish tinged, soon reddish brown to brown, branched, twigs long-stipitate-glandular (sometimes with crinkly hairs interspersed). |
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Leaves | (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. |
mostly erect or ascending; blades spatulate (flat), 25–40 × 2.5–7 mm, midnerves (plus 2 smaller, collateral nerves) evident, apices acuminate, faces long-stipitate-glandular; fascicles absent. |
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Peduncles | 2–15 mm (bracts 5–10+, leaflike). |
3–15 mm (long-stipitate-glandular, bracts 0–3, phyllary-like). |
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Involucres | turbinate to subcampanulate, 4–7 × 2.5–4 mm. |
turbinate to narrowly campanulate, 14–22 × 6–8 mm. |
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Ray florets | 2–8; laminae 4–5 × 1–1.8 mm. |
0. |
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Disc florets | 6–20; corollas 5–7 mm. |
10–21; corollas 9.5–12 mm. |
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Phyllaries | 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. |
17–23 in 2–4 series, tan to green, lanceolate to elliptic, 10–14 × 1.6–2.7 mm, subequal (outer often slightly longer than inner), outer herbaceous or with herbaceous cusps, inner mostly chartaceous, midnerves (often plus 2 collateral nerves) evident, (margins villous distally) apices acute to acuminate, abaxial faces stipitate-glandular, inner sometimes glabrous. |
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Heads | in racemiform to thyrsiform arrays (to 50 × 2–15 cm). |
in (leafy) congested, paniculiform to cymiform arrays (1–4 cm wide). |
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Cypselae | tan to brown, subcylindric, 3.5–4 mm, moderately to densely hairy; pappi off-white to brown, 5–8 mm. |
tan to reddish, ellipsoid, 7–8 mm, glabrous or apically hairy; pappi off-white to brown, sometimes reddish, 9–9.5 mm. |
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2n | = 18. |
= 18 [as Haplopappus bloomeri subsp. compactus]. |
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Ericameria palmeri |
Ericameria zionis |
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Phenology | Flowering summer–fall. | |||||
Habitat | Gravelly to sandy clay soils with manzanita, spruce, fir, and pine | |||||
Elevation | 2400–3100 m (7900–10200 ft) | |||||
Distribution |
CA; nw Mexico
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UT |
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. Ericameria zionis is known from southern Utah. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 20, p. 70. | FNA vol. 20, p. 77. | ||||
Parent taxa | Asteraceae > tribe Astereae > Ericameria | Asteraceae > tribe Astereae > Ericameria | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Haplopappus palmeri | Haplopappus zionis | ||||
Name authority | (A. Gray) H. M. Hall: Univ. Calif. Publ. Bot. 3: 53. (1907) | (L. C. Anderson) G. L. Nesom: Phytologia 68: 153. (1990) | ||||
Web links |