Ericameria palmeri |
Ericameria compacta |
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Palmer goldenweed, Palmer's goldenbush |
Charleston Mountain goldenbush |
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Habit | Plants 50–400 cm. | Plants 15–50 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. |
erect to spreading, green when young, becoming tan, branched proximally, often with scattered, crinkled hairs and short- stipitate-glandular hairs. |
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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 oblanceolate to narrowly spatulate, 20–40 × 2–3(–5) mm, midnerves evident, apices acute to acuminate, faces short-stipitate-glandular, sometimes gland-dotted (sessile), resinous; axillary fascicles of 1–7 reduced leaves often proximally present, distally absent. |
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Peduncles | 2–15 mm (bracts 5–10+, leaflike). |
1–15 mm (bracts 0–3, usually resembling phyllaries). |
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Involucres | turbinate to subcampanulate, 4–7 × 2.5–4 mm. |
narrowly campanulate, 12–15 × 4.5–5.5 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. |
10–16; corollas 9.1–11.5 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. |
18–24 in (3–)4 series, tan, ovate or lanceolate to elliptic, 4–11 × 0.6–1.2 mm, subequal, mostly chartaceous, midnerves raised, evident, apices acute to cuspidate, herbaceous-tipped, abaxial faces resinous. |
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Heads | in racemiform to thyrsiform arrays (to 50 × 2–15 cm). |
usually in paniculiform or cymiform arrays, sometimes borne singly. |
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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, 6–10 mm, glabrate or apically sparsely hairy; pappi off-white to brown, sometimes reddish, 7–9 mm. |
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2n | = 18. |
= 18. |
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Ericameria palmeri |
Ericameria compacta |
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Phenology | Flowering late summer–fall. | |||||
Habitat | Sheltered, rocky to gravelly slopes in pine forests | |||||
Elevation | 2500–3500 m (8200–11500 ft) | |||||
Distribution |
CA; nw Mexico
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NV |
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. (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 bloomeri subsp. compactus, Haplopappus bloomeri var. compactus, Haplopappus compactus | ||||
Name authority | (A. Gray) H. M. Hall: Univ. Calif. Publ. Bot. 3: 53. (1907) | (H. M. Hall) G. L. Nesom: Phytologia 68: 152. (1990) | ||||
Web links |