Ericameria palmeri |
Ericameria cervina |
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Palmer goldenweed, Palmer's goldenbush |
deer goldenbush, goldenweed |
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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. |
ascending to spreading, green when young, becoming dark brown then gray, branched, twigs stipitate-glandular, resin coated. |
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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. |
ascending; blades elliptic to obovate, 9–18 × 2.5–4 mm, midnerves prominent with 2 fainter, collateral nerves, (margins undulate) apices usually obtuse to rounded, sometimes acute, apiculate, faces stipitate-glandular, resinous; axillary leaf fascicles reduced or absent. |
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Peduncles | 2–15 mm (bracts 5–10+, leaflike). |
1–15 mm (bracts 3–8, gradually reduced, leafy). |
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Involucres | turbinate to subcampanulate, 4–7 × 2.5–4 mm. |
obconic, 5–7 × 2.5–3.5 mm. |
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Ray florets | 2–8; laminae 4–5 × 1–1.8 mm. |
3–4; laminae elliptic, 1.9–2.5 × 0.6–1.3 mm. |
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Disc florets | 6–20; corollas 5–7 mm. |
8–9; corollas 3.5–5.3 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. |
22–30 in 4–5 series, mostly tan, lanceolate to elliptic, 1.5–5 × 0.8–1.2 mm, strongly unequal, chartaceous (bodies abruptly constricted at bases of appendages), midnerves usually inconspicuous, (margins scarious, entire or minutely lacerate) apices acute to acuminate or cuspidate, abaxial faces glabrous, lightly resinous, sometimes gland-dotted. |
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Heads | in racemiform to thyrsiform arrays (to 50 × 2–15 cm). |
in cymiform arrays. |
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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, subcylindric to narrowly oblanceoloid, 2.2–4 mm, sericeous; pappi whitish, 3–5 mm. |
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2n | = 18. |
= 18. |
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Ericameria palmeri |
Ericameria cervina |
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Phenology | Flowering late summer–fall. | |||||
Habitat | Rock-crevices and talus, often on granitic outcrops and soils | |||||
Elevation | 1500–2400 m (4900–7900 ft) | |||||
Distribution |
CA; nw Mexico
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AZ; NV; UT |
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Ericameria cervina is found in northwest Arizona, adjacent Nevada, and 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. 56. | ||||
Parent taxa | Asteraceae > tribe Astereae > Ericameria | Asteraceae > tribe Astereae > Ericameria | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Haplopappus palmeri | Haplopappus cervinus | ||||
Name authority | (A. Gray) H. M. Hall: Univ. Calif. Publ. Bot. 3: 53. (1907) | (S. Watson) Rydberg: Fl. Rocky Mts., 1067. (1917) | ||||
Web links |