Ericameria cuneata |
Ericameria cuneata var. macrocephala |
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cliff goldenbush, cliff goldenbush cliff heathgoldenrod, rock goldenbush, wedgeleaf goldenbush |
cliff goldenbush, Laguna Mountain goldenbush, Laguna Mountains. goldenbush |
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Habit | Plants 10–100 cm. | |||||||||
Stems | spreading to ascending or erect, green when young, highly branched, glabrous, gland-dotted (sometimes in pits), resinous. |
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Leaves | ascending-spreading; blades cuneate to spatulate, 2–25 × 2–16 mm, midnerves evident or faint, (margins usually flat) apices rounded, obtuse, or retuse, sometimes mucronate, faces glabrous, gland-dotted (in pits), thickly resinous; axillary leaf fascicles rarely present. |
petiolate; blades obovate, largest 12–20 × 6–14 mm. |
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Peduncles | 2–10 mm (bracts 0–10+, scalelike). |
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Involucres | turbinate to narrowly campanulate, 6–12.5 × 4–14 mm. |
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Ray florets | 0(–7); laminae 3–4.3 × 1–1.5 mm. |
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Disc florets | 7–70; corollas ca. 5.5 mm. |
36–70. |
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Phyllaries | 20–60 in 3–7 series, tan, ovate to lanceolate, 2–6 × 0.5–2.5 mm, unequal, mostly chartaceous, sometimes each with herbaceous subapical patch, midnerves evident on proximal 1/2 or throughout, subapical resin ducts 0 or slightly darker, thickened and expanded, (margins membranous, weakly lacerate) apices acute to acuminate or obtuse, abaxial faces glabrous. |
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Heads | usually borne singly, sometimes in rounded, cymiform arrays (to 5 × 8 cm). |
discoid, 9–12 × 6–10 mm. |
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Cypselae | tan to brown, turbinate, 2.5–3 mm, sericeous to villous; pappi off-white to brown, 6.5–8 mm. |
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Phyllary | midnerves evident on proximal 1/2, subapical herbaceous patches present, subapical resin ducts thickened and expanded apically. |
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2n | = 18. |
= 18. |
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Ericameria cuneata |
Ericameria cuneata var. macrocephala |
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Phenology | Flowering late summer–fall. | |||||||||
Habitat | Among boulders and rock crevices | |||||||||
Elevation | 1800–1900 m (5900–6200 ft) | |||||||||
Distribution |
AZ; CA; NM; NV; nw Mexico
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CA |
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Discussion | Varieties 3 (3 in the flora). Variety spathulata extends into Mexico. It is reported to hybridize with Ericameria nauseosa. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. Variety macrocephala is known from San Diego County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 20, p. 57. | FNA vol. 20, p. 57. | ||||||||
Parent taxa | Asteraceae > tribe Astereae > Ericameria | Asteraceae > tribe Astereae > Ericameria > Ericameria cuneata | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | Haplopappus cuneatus | |||||||||
Name authority | (A. Gray) McClatchie: Erythea 2: 124. (1894) | Urbatsch: Madroño 23: 344, fig. 4. (1976) | ||||||||
Web links |