Difference between revisions of "Flaveria floridana"
Proc. Amer. Acad. Arts 39: 291. 1903.
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|common_names=Florida yellowtops | |common_names=Florida yellowtops | ||
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| + | |code=E | ||
| + | |label=Endemic | ||
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name=Flaveria floridana | name=Flaveria floridana | ||
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|authority=J. R. Johnston | |authority=J. R. Johnston | ||
|rank=species | |rank=species | ||
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|publication title=Proc. Amer. Acad. Arts | |publication title=Proc. Amer. Acad. Arts | ||
|publication year=1903 | |publication year=1903 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_615.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Flaveriinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Flaveriinae | ||
Latest revision as of 20:13, 5 November 2020
Perennials (or annuals), 50–120 cm (usually glabrous, sometimes sparsely pubescent distally on peduncles). Stems erect. Leaves sessile; blades usually linear or lanceolate, rarely subelliptic, 50–140 × 4–17 mm, bases ± connate, margins entire, minutely serrate, or spinulose-serrate. Heads 20–100+, in dense, scorpioid-cymiform arrays. Calyculi of 1–3 linear-lanceolate bractlets 4–6 mm (often surpassing involucres). Involucres suburceolate, oblong-angular, 3.6–4.5 mm. Phyllaries 5–6(–9), oblong or ovate-orbiculate. Ray florets 0 or 1; laminae yellow, ovate-spatulate, 2–2.8 × 1.5–2 mm. Disc florets 9–14; corolla tubes 0.8–1 mm, throats funnelform, 1.3–1.5 mm. Cypselae oblong-oblanceolate or linear, 1.2–1.8 mm; pappi 0. 2n = 36.
Phenology: Flowering year round.
Habitat: Saline sand areas, beaches, brackish marshes, pinewoods
Elevation: 0–10 m
Discussion
Flaveria floridana is known only from the lower Gulf coast of Florida; it is especially prevalent in the Tampa Bay area. The relatively long calyculus bractlets and modified peduncular leaves that extend beyond the heads distinguish it from F. linearis, the other perennial species in Florida. The closest relative of F. floridana is probably the similar F. brownii of the Texas Gulf coast.
Selected References
None.