Difference between revisions of "Isocoma menziesii var. decumbens"
Phytologia 70: 95. 1991.
Basionym: Isocoma decumbens Greene Leafl. Bot. Observ. Crit. 1: 172. 1906
Synonyms: Haplopappus venetus subsp. furfuraceus (Greene) H. M. Hall Isocoma veneta var. furfuracea (Greene) R. M. Beauchamp
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|name=Isocoma decumbens | |name=Isocoma decumbens | ||
|authority=Greene | |authority=Greene | ||
| + | |rank=species | ||
|publication_title=Leafl. Bot. Observ. Crit. | |publication_title=Leafl. Bot. Observ. Crit. | ||
|publication_place=1: 172. 1906 | |publication_place=1: 172. 1906 | ||
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|name=Haplopappus venetus subsp. furfuraceus | |name=Haplopappus venetus subsp. furfuraceus | ||
|authority=(Greene) H. M. Hall | |authority=(Greene) H. M. Hall | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Isocoma veneta var. furfuracea | |name=Isocoma veneta var. furfuracea | ||
|authority=(Greene) R. M. Beauchamp | |authority=(Greene) R. M. Beauchamp | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Isocoma;Isocoma menziesii;Isocoma menziesii var. decumbens | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Isocoma;Isocoma menziesii;Isocoma menziesii var. decumbens | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Isocoma menziesii var. decumbens | name=Isocoma menziesii var. decumbens | ||
| − | |||
|authority=(Greene) G. L. Nesom | |authority=(Greene) G. L. Nesom | ||
|rank=variety | |rank=variety | ||
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|publication year=1991 | |publication year=1991 | ||
|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_1012.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Isocoma | |genus=Isocoma | ||
Revision as of 20:23, 16 December 2019
Stems prostrate to decumbent or ± erect; herbage finely and closely grayish-arachnoid-tomentose or glabrous, minutely stipitate-glandular. Leaf blades narrowly oblanceolate, 5–22 × 2–4 mm, not thick-fleshy, margins entire or with 1–2 pairs of teeth distally. Heads in corymbiform to loose, paniculiform arrays. Corollas 5–6.5 mm. Cypselae 2.3–3.6 mm. 2n = 24.
Phenology: Flowering Jul–Nov.
Habitat: Sandy flats or slopes, commonly in disturbed sites
Elevation: 10–50(–200) m
Distribution
Calif., Mexico (Baja California).
Discussion
Of conservation concern.
Variety decumbens grows in San Diego County and southward.
Selected References
None.
Lower Taxa
None.