Difference between revisions of "Isocoma arguta"
Man. Bot. San Francisco, 175. 1894.
Common names: Contra Costa jimmyweed Carquinez or suisun goldenbush
Synonyms: Haplopappus venetus var. argutus (Greene) D. D. Keck
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|name=Haplopappus venetus var. argutus | |name=Haplopappus venetus var. argutus | ||
|authority=(Greene) D. D. Keck | |authority=(Greene) D. D. Keck | ||
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|hierarchy=Asteraceae;Asteraceae tribe Astereae;Isocoma;Isocoma arguta | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Isocoma;Isocoma arguta | ||
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|authority=Greene | |authority=Greene | ||
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|publication year=1894 | |publication year=1894 | ||
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| − | |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_1010.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Isocoma | |genus=Isocoma | ||
Revision as of 19:23, 16 December 2019
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.