Difference between revisions of "Xanthisma viscidum"
Sida 20: 1410. 2003.
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− | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Sideranthus viscidus | |name=Sideranthus viscidus | ||
|authority=Wooton & Standley | |authority=Wooton & Standley | ||
+ | |publication_title=Contr. U.S. Natl. Herb. | ||
+ | |publication_place=16: 180. 1913 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication year=2003 | |publication year=2003 | ||
|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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V20_896.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Xanthisma | |genus=Xanthisma |
Revision as of 18:45, 24 September 2019
Annuals, 25–60 cm; taproots 2–8+ cm. Stems 1, branched, moderately stout to stout, not wiry, stipitate-glandular. Leaves: basal usually withering by flowering; cauline evenly spaced, obovate to oblanceolate or oblong, 5–30 × 2–15 mm, markedly reduced distally, margins coarsely serrate to dentate, teeth 4–7 per side, entire, faces densely stipitate-glandular. Peduncles densely stipitate-glandular, usually ebracteate. Involucres hemispheric, 8–10 × 13–18 mm. Phyllaries in 5–7 series, linear, 2–7 mm, apices narrowly obtuse to acuminate, faces stipitate-glandular. Ray florets 14–18; corollas yellow, tubes 3–3.5 mm, laminae 2.8–3.5 × 1.5–2 mm. Disc florets 20–30+; corollas 5.5–6 mm. Cypselae oblong to narrowly ellipsoid, 2.3–2.7 mm, 18–22-nerved, sparsely whitish-silky; pappi tawny, 5–6 mm, mostly equal. 2n = 8.
Phenology: Flowering summer–fall.
Habitat: Sandy soils on flats, roadsides
Elevation: 1000–1700 m
Discussion
Selected References
None.