Difference between revisions of "Ericameria cuneata"
Erythea 2: 124. 1894.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Haplopappus cuneatus | |name=Haplopappus cuneatus | ||
|authority=A. Gray | |authority=A. Gray | ||
| + | |publication_title=Proc. Amer. Acad. Arts | ||
| + | |publication_place=8: 635. 1873 (as Aplopappus) | ||
}} | }} | ||
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|publication year=1894 | |publication year=1894 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V20_86.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Ericameria | |genus=Ericameria | ||
Revision as of 19:45, 24 September 2019
Plants 10–100 cm. Stems spreading to ascending or erect, green when young, highly branched, glabrous, gland-dotted (sometimes in pits), resinous. 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. Heads usually borne singly, sometimes in rounded, cymiform arrays (to 5 × 8 cm). Peduncles 2–10 mm (bracts 0–10+, scalelike). Involucres turbinate to narrowly campanulate, 6–12.5 × 4–14 mm. 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. Ray florets 0(–7); laminae 3–4.3 × 1–1.5 mm. Disc florets 7–70; corollas ca. 5.5 mm. Cypselae tan to brown, turbinate, 2.5–3 mm, sericeous to villous; pappi off-white to brown, 6.5–8 mm. 2n = 18.
Distribution
sw United States, nw Mexico.
Discussion
Varieties 3 (3 in the flora).
Variety spathulata extends into Mexico. It is reported to hybridize with Ericameria nauseosa.
Selected References
Lower Taxa
Key
| 1 | Disc florets 36–70 (San Diego County, California) | Ericameria cuneata var. macrocephala |
| 1 | Disc florets 7–33 | > 2 |
| 2 | Leaves sessile, blades cuneate, largest 3–14(–18) × 2–9(–12) | Ericameria cuneata var. cuneata |
| 2 | Leaves petiolate, blades spatulate, largest (9–)12–25 × 4–16 | Ericameria cuneata var. spathulata |