Difference between revisions of "Ericameria laricifolia"
Field & Lab. 18: 27. 1950.
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|name=Haplopappus laricifolius | |name=Haplopappus laricifolius | ||
|authority=A. Gray | |authority=A. Gray | ||
| + | |rank=species | ||
|publication_title=Smithsonian Contr. Knowl. | |publication_title=Smithsonian Contr. Knowl. | ||
|publication_place=5(6): 80. 1853 (as Aplopappus) | |publication_place=5(6): 80. 1853 (as Aplopappus) | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Ericameria laricifolia | name=Ericameria laricifolia | ||
| − | |||
|authority=(A. Gray) Shinners | |authority=(A. Gray) Shinners | ||
|rank=species | |rank=species | ||
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|publication year=1950 | |publication year=1950 | ||
|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/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_95.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Ericameria | |genus=Ericameria | ||
Revision as of 19:31, 16 December 2019
Plants 30–100 cm. Stems erect to ascending, green when young, fastigiately branched, glabrous, gland-dotted, resinous. Leaf blades ascending, sometimes spreading when older, filiform to narrowly oblanceolate (adaxially sulcate to concave), 10–20 × 1–2 mm, midnerves not evident, apices acute, sometimes apiculate, faces glabrous, regularly gland-dotted (in circular, deep pits), resinous; axillary leaf fascicles sometimes present, shorter than subtending leaves. Heads in irregular cymiform arrays (to 7 cm wide). Peduncles 3–15 mm (bracts 3–20+, mostly leaflike, distal scalelike). Involucres turbinate, 3–5 × 3–5 mm. Phyllaries 12–20 in 3–4 series, tan, linear to lanceolate, 1–3.5 × 0.5–1 mm, unequal, mostly chartaceous, sometimes herbaceous-tipped, erect, midnerves raised, somewhat expanded apically, subapical resin ducts usually present, (margins scarious to narrowly membranous, glabrous or ciliate) apices erect, acute, sometimes apiculate, abaxial faces glabrous. Ray florets 3–6; laminae 4–5 × 1–2 mm. Disc florets 6–16; corollas 5–6 mm. Cypselae tan to brown, turbinate to narrowly oblanceolate, 3.5–4 mm (ribs ca. 5), villous; pappi off-white to brown, 3.5–5 mm. 2n = 18.
Phenology: Flowering fall.
Habitat: Rocky, desert mountains on slopes, mesas, canyons, and rock walls
Elevation: 1000–2000 m
Distribution
Ariz., Calif., Nev., N.Mex., Tex., Utah, Mexico (Chihuahua).
Discussion
Selected References
None.