Difference between revisions of "Isocoma acradenia"
Erythea 2: 111. 1894.
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}} | }} | ||
|common_names=Alkali jimmyweed | |common_names=Alkali jimmyweed | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Bigelowia acradenia | |name=Bigelowia acradenia | ||
|authority=Greene | |authority=Greene | ||
| + | |rank=species | ||
|publication_title=Bull. Torrey Bot. Club | |publication_title=Bull. Torrey Bot. Club | ||
|publication_place=10: 126. 1883 (as Bigelovia) | |publication_place=10: 126. 1883 (as Bigelovia) | ||
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|name=Haplopappus acradenius | |name=Haplopappus acradenius | ||
|authority=(Greene) S. F. Blake | |authority=(Greene) S. F. Blake | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Isocoma;Isocoma acradenia | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Isocoma;Isocoma acradenia | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution= | + | |distribution=Ariz.;Calif.;Nev.;Utah;nw Mexico. |
|discussion=<p>isocoma acradenia is distinctive in its whitish stems and narrow, whitish-indurate phyllaries with an apical resin pocket (or pockets). the leaves often occur in axillary fascicles</p><!-- | |discussion=<p>isocoma acradenia is distinctive in its whitish stems and narrow, whitish-indurate phyllaries with an apical resin pocket (or pockets). the leaves often occur in axillary fascicles</p><!-- | ||
--><p>Varieties 3 (3 in the flora).</p> | --><p>Varieties 3 (3 in the flora).</p> | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Isocoma acradenia | name=Isocoma acradenia | ||
| − | |||
|authority=(Greene) Greene | |authority=(Greene) Greene | ||
|rank=species | |rank=species | ||
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|basionyms=Bigelowia acradenia | |basionyms=Bigelowia acradenia | ||
|family=Asteraceae | |family=Asteraceae | ||
| − | |distribution= | + | |distribution=Ariz.;Calif.;Nev.;Utah;nw Mexico. |
|reference=None | |reference=None | ||
|publication title=Erythea | |publication title=Erythea | ||
|publication year=1894 | |publication year=1894 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1006.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Isocoma | |genus=Isocoma | ||
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}}<!-- | }}<!-- | ||
| − | -->[[Category:Treatment]][[Category:Isocoma]] | + | --> |
| + | |||
| + | [[Category:Treatment]] | ||
| + | [[Category:Isocoma]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 18:24, 6 November 2020
Herbage usually glabrous, sometimes minutely hispidulous, often stipitate-glandular, often resinous. Leaf blades oblanceolate to narrowly obovate, 20–150 mm, margins entire or toothed or lobed (teeth or lobes apically rounded-obtuse). Involucres 5–8 × 5–7 mm. Phyllary apices yellowish to greenish yellow, sometimes spinulose-aristate, usually not gland-dotted, usually with single, strongly developed, subepidermal resin pocket nearly as wide as bracts, sometimes a central pocket and 2+ smaller, lateral ones (resin pockets sometimes formed from numerous, coalesced, sessile glands). Florets 12–27; corollas 5–7(–8) mm. Cypsela ribs not forming apical horns.
Distribution
Ariz., Calif., Nev., Utah, nw Mexico.
Discussion
isocoma acradenia is distinctive in its whitish stems and narrow, whitish-indurate phyllaries with an apical resin pocket (or pockets). the leaves often occur in axillary fascicles
Varieties 3 (3 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Leaves 50–150 mm; florets 20–27; phyllaryapices spinulose-aristate | Isocoma acradenia var. bracteosa |
| 1 | Leaves 20–50 mm; florets 12–24; phyllary apices usually rounded, not spinulose, sometimes with weakly developed aristae | > 2 |
| 2 | Leaves usually entire, proximal rarely toothed or lobed | Isocoma acradenia var. acradenia |
| 2 | Leaves all toothed to pinnatifid | Isocoma acradenia var. eremophila |