Difference between revisions of "Ericameria greenei"
Phytologia 68: 153. 1990.
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|name=Haplopappus greenei | |name=Haplopappus greenei | ||
|authority=A. Gray | |authority=A. Gray | ||
| + | |rank=species | ||
|publication_title=Proc. Amer. Acad. Arts | |publication_title=Proc. Amer. Acad. Arts | ||
|publication_place=16: 80. 1880 (as Aplopappus) | |publication_place=16: 80. 1880 (as Aplopappus) | ||
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|name=Haplopappus greenei subsp. mollis | |name=Haplopappus greenei subsp. mollis | ||
|authority=(A. Gray) H. M. Hall | |authority=(A. Gray) H. M. Hall | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Ericameria;Ericameria greenei | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Ericameria;Ericameria greenei | ||
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|elevation=1500–2200 m | |elevation=1500–2200 m | ||
|distribution=Calif.;Idaho;Oreg.;Wash. | |distribution=Calif.;Idaho;Oreg.;Wash. | ||
| − | |discussion=<p>A tomentose entity that was recognized as Haplopappus greenei < | + | |discussion=<p>A tomentose entity that was recognized as Haplopappus greenei <i></i>subsp.<i> mollis</i> differs also in other ways from typical <i>Ericameria greenei</i>. It may merit recognition at some level. A biosystematic and population-level investigation of this complex is needed to better understand the causes and significance of such variation.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Ericameria greenei | name=Ericameria greenei | ||
| − | |||
|authority=(A. Gray) G. L. Nesom | |authority=(A. Gray) G. L. Nesom | ||
|rank=species | |rank=species | ||
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|publication year=1990 | |publication year=1990 | ||
|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_94.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Ericameria | |genus=Ericameria | ||
Revision as of 19:31, 16 December 2019
Plants 10–30 cm. Stems erect to ascending, green when young, soon reddish to brownish, branched, glabrous or tomentose, stipitate-glandular. Leaves mostly erect or ascending; blades spatulate (flat), 15–30 × 3–7 mm, midnerves (and sometimes 2 fainter, collateral nerves) evident (slightly raised abaxially), apices obtuse, mucronate, faces glabrous or tomentose and/or stipitate-glandular; axillary fascicles absent. Heads (12–22) usually in (leafy) congested, cymiform or racemiform arrays, rarely borne singly. Peduncles usually less than 20, rarely to 100 mm (leafy). Involucres broadly campanulate, 8–12 × 12–15 mm. Phyllaries 18–28 in 2–3 series, green to tan, lanceolate to elliptic, 10–14 × 1.3–2.7 mm, subequal (outer sometimes slightly longer than inner), outer herbaceous or with herbaceous appendages, inner mostly chartaceous, midnerves (and often 2 collateral nerves) evident, (margins often narrowly membranous, fimbriate or tomentose) apices acute, acuminate to cuspidate, abaxial faces stipitate-glandular. Ray florets (0–)1–7; laminae 7–10 × 1.5–2.8 mm. Disc florets 7–20; corollas 8–9.5 mm. Cypselae tan to reddish, ellipsoid, 5–7 mm, glabrous or distally hairy; pappi off-white to reddish brown, 7–9 mm. 2n = 18.
Phenology: Flowering summer–fall.
Habitat: Rocky flats and sparsely wooded slopes
Elevation: 1500–2200 m
Distribution
Calif., Idaho, Oreg., Wash.
Discussion
A tomentose entity that was recognized as Haplopappus greenei subsp. mollis differs also in other ways from typical Ericameria greenei. It may merit recognition at some level. A biosystematic and population-level investigation of this complex is needed to better understand the causes and significance of such variation.
Selected References
None.