Difference between revisions of "Isocoma arguta"
Man. Bot. San Francisco, 175. 1894.
Common names: Contra Costa jimmyweed Carquinez or suisun goldenbush
EndemicConservation concern
Synonyms: Haplopappus venetus var. argutus (Greene) D. D. Keck
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|common_names=Contra Costa jimmyweed;Carquinez or suisun goldenbush | |common_names=Contra Costa jimmyweed;Carquinez or suisun goldenbush | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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| + | |code=C | ||
| + | |label=Conservation concern | ||
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|publication title=Man. Bot. San Francisco, | |publication title=Man. Bot. San Francisco, | ||
|publication year=1894 | |publication year=1894 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1010.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Isocoma | |genus=Isocoma | ||
Latest revision as of 20:58, 5 November 2020
Herbage glabrous or minutely hispidulous, stipitate-glandular. Leaf blades oblong-obovate, 10–25 mm, margins serrate to lobed (teeth or lobes in 3–5 even pairs, spinulose-aristate). Involucres 5–7 × 4–5 mm. Phyllary apices greenish, spinulose-aristate, densely and promently gland-dotted, glands often coalesced as small resin pockets. Florets 10–13; corollas 4–5 mm. Cypsela ribs not forming apical horns.
Phenology: Flowering Aug–Oct.
Habitat: Low hills, alkaline and subsaline plains, alkali marshes, stream benches, grasslands, fencelines
Elevation: 0–20(–50) m
Discussion
Of conservation concern.
Isocoma arguta is known only from Contra Costa and Solano counties.
Selected References
None.
Lower Taxa
None.