Show Lower Taxa
Difference between revisions of "Coreopsis sect. Silphidium"
in A. Gray et al., Syn. Fl. N. Amer. 1(2): 294. 1884.
Basionym: Silphidium Torrey & A. Gray Fl. N. Amer. 2: 341. 1842
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|publication year=1884 | |publication year=1884 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_463.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | ||
Revision as of 20:59, 27 May 2020
Perennials. Leaves cauline, opposite; blades usually simple, sometimes with 1–2 auricles at base (margins dentate). Calyculi of 3–8+ bractlets. Phyllaries 5. Ray florets 4–5, neuter; laminae ± elliptic to oblong, broadest at or near middle, apices entire or 2–3-toothed. Disc florets 10–15+; corollas ochroleucous or pale yellow, lobes 5; style-branch apices ± conic-attenuate. Paleae ± linear. Cypselae ± linear, margins thin, not winged, not ciliolate, faces smooth, glabrous; pappi 0 or (1–)2 cusps (0.1–0.2+ mm). x = 13.
Distribution
se United States.
Discussion
Species 1.
Selected References
None.