Difference between revisions of "Isocoma acradenia var. bracteosa"
Phytologia 70: 81. 1991.
Endemic
Basionym: Isocoma bracteosa Greene Leafl. Bot. Observ. Crit. 1: 170. 1906
Synonyms: Haplopappus acradenius subsp. bracteosus (Greene) H. M. Hall
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|year=1991 | |year=1991 | ||
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| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Isocoma bracteosa | |name=Isocoma bracteosa | ||
|authority=Greene | |authority=Greene | ||
| + | |rank=species | ||
| + | |publication_title=Leafl. Bot. Observ. Crit. | ||
| + | |publication_place=1: 170. 1906 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Haplopappus acradenius subsp. bracteosus | |name=Haplopappus acradenius subsp. bracteosus | ||
|authority=(Greene) H. M. Hall | |authority=(Greene) H. M. Hall | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Isocoma;Isocoma acradenia;Isocoma acradenia var. bracteosa | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Isocoma;Isocoma acradenia;Isocoma acradenia var. bracteosa | ||
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name=Isocoma acradenia var. bracteosa | name=Isocoma acradenia var. bracteosa | ||
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|authority=(Greene) G. L. Nesom | |authority=(Greene) G. L. Nesom | ||
|rank=variety | |rank=variety | ||
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|publication title=Phytologia | |publication title=Phytologia | ||
|publication year=1991 | |publication year=1991 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1008.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Isocoma | |genus=Isocoma | ||
Latest revision as of 19:58, 5 November 2020
Leaf blades mostly 50–150 mm, margins of proximal usually shallowly toothed, of distal entire or serrulate. Involucres 7–8 mm. Phyllary apices spinulose-aristate. Florets 20–27. 2n = 12.
Phenology: Flowering Aug–Oct.
Habitat: Salt flats
Elevation: 0–20 m
Discussion
In the limited zone of contact between vars. bracteosa and acradenia, intermediates are rare. The two differ in chromosome number and significantly in habitat (altitudes are essentially non-overlapping). Field studies may show them to warrant distinction at specific rank.
Selected References
None.
Lower Taxa
None.