Difference between revisions of "Coreopsis sect. Eublepharis"
Trans. Amer. Philos. Soc., n. s. 7: 359. 1841.
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| − | --><span class="statement" id="st-undefined" data-properties=""><b>Perennials </b>(sometimes flowering first year; bases ± rhizomatous or cormose). <b>Leaves</b> basal and cauline, usually alternate, sometimes both alternate and opposite, or all opposite; blades mostly simple, sometimes with 1–2 lateral lobes (none in C. nudata). <b>Calyculi</b> of 5–8(–12+) bractlets. <b>Phyllaries</b> (7–)8(–9). <b>Ray</b> florets 8(–13), neuter; laminae yellow or purple to pink or white, ± cuneate, broadest distal to middles, usually 3-lobed (middle lobes sometimes toothed). <b>Disc</b> florets 40–120+; corollas ochroleucous to yellow or red-brown to purple or apices red-brown to purple, lobes 4; style-branch apices ± truncate. <b>Paleae</b> ± linear (not distally dilated or attenuate). <b>Cypselae</b> obovate or oblong to linear, margins winged or not, wings ± corky to chartaceous, ± pectinate, ± spreading, not ciliolate, faces glabrous, smooth or ± tuberculate; pappi 0, or (1–)2 cusps, awns, or scales (0.1–1+ mm). <b>x</b> = 13.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Perennials </b>(sometimes flowering first year; bases ± rhizomatous or cormose). <b>Leaves</b> basal and cauline, usually alternate, sometimes both alternate and opposite, or all opposite; blades mostly simple, sometimes with 1–2 lateral lobes (none in <i>C. nudata</i>). <b>Calyculi</b> of 5–8(–12+) bractlets. <b>Phyllaries</b> (7–)8(–9). <b>Ray</b> florets 8(–13), neuter; laminae yellow or purple to pink or white, ± cuneate, broadest distal to middles, usually 3-lobed (middle lobes sometimes toothed). <b>Disc</b> florets 40–120+; corollas ochroleucous to yellow or red-brown to purple or apices red-brown to purple, lobes 4; style-branch apices ± truncate. <b>Paleae</b> ± linear (not distally dilated or attenuate). <b>Cypselae</b> obovate or oblong to linear, margins winged or not, wings ± corky to chartaceous, ± pectinate, ± spreading, not ciliolate, faces glabrous, smooth or ± tuberculate; pappi 0, or (1–)2 cusps, awns, or scales (0.1–1+ mm). <b>x</b> = 13.</span><!-- |
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name=Coreopsis sect. Eublepharis | name=Coreopsis sect. Eublepharis | ||
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|authority=Nuttall | |authority=Nuttall | ||
|rank=section | |rank=section | ||
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|publication year=1841 | |publication year=1841 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_480.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | ||
Latest revision as of 20:12, 5 November 2020
Perennials (sometimes flowering first year; bases ± rhizomatous or cormose). Leaves basal and cauline, usually alternate, sometimes both alternate and opposite, or all opposite; blades mostly simple, sometimes with 1–2 lateral lobes (none in C. nudata). Calyculi of 5–8(–12+) bractlets. Phyllaries (7–)8(–9). Ray florets 8(–13), neuter; laminae yellow or purple to pink or white, ± cuneate, broadest distal to middles, usually 3-lobed (middle lobes sometimes toothed). Disc florets 40–120+; corollas ochroleucous to yellow or red-brown to purple or apices red-brown to purple, lobes 4; style-branch apices ± truncate. Paleae ± linear (not distally dilated or attenuate). Cypselae obovate or oblong to linear, margins winged or not, wings ± corky to chartaceous, ± pectinate, ± spreading, not ciliolate, faces glabrous, smooth or ± tuberculate; pappi 0, or (1–)2 cusps, awns, or scales (0.1–1+ mm). x = 13.
Distribution
e, se North America.
Discussion
Species 4 (4 in the flora).
Selected References
None.
Key
| 1 | Leaves lacking blades (petioles ± terete, 5–30+ cm × 0.5–2+ mm, functionally equivalent to leaves) | Coreopsis nudata |
| 1 | Leaves with blades (petioles not 5–30+ cm × 0.5–2 mm) | > 2 |
| 2 | Ray corollas ± pinkish to white; cypselae 1.3–1.8 mm, not winged | Coreopsis rosea |
| 2 | Ray corollas yellow; cypselae 3–4.5 mm, wings ± pectinate | > 3 |
| 3 | Leaves all opposite; petioles ± ciliate; wings of cypselae 0.1 mm wide; pappi of 1–2 cusps 0.1–0.2 mm | Coreopsis integrifolia |
| 3 | Leaves usually all or mostly alternate, seldom some or all opposite; petioles not ciliate; wings of cypselae 0.2–0.4+ mm wide; pappi of 2, subulate scales 0.5–1+ mm | Coreopsis gladiata |