Difference between revisions of "Flaveria brownii"
Ann. Missouri Bot. Gard. 65: 611, fig. 4. 1979.
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|common_names=Brown’s yellowtops | |common_names=Brown’s yellowtops | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
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|basionyms= | |basionyms= | ||
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|publication title=Ann. Missouri Bot. Gard. | |publication title=Ann. Missouri Bot. Gard. | ||
|publication year=1979 | |publication year=1979 | ||
| − | |special status= | + | |special status=Endemic |
| − | |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_614.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Flaveriinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Flaveriinae | ||
Revision as of 21:01, 27 May 2020
Perennials (perhaps flowering first year), 15–70 cm (glabrate). Stems erect or decumbent. Leaves sessile; blades linear, 5–12 cm × 2–8 mm, bases barely connate, margins entire or weakly serrate. Heads 20–100+, in ± open, paniculiform-corymbiform arrays. Calyculi of 1–2 linear bractlets 1–2.5 mm. Involucres oblong-angular, 4–5 mm. Phyllaries 5–6, boat-shaped (phyllaries enclosing ray florets conspicuously keeled). Ray florets 0 or 1; laminae yellow, oblong-elliptic, 2 mm. Disc florets (5–)7–10; corolla tubes 0.8–1.2 mm, throats funnelform, 1.2–1.5 mm (distal 1/2 expanded). Cypselae linear, 1.5–2 mm (those of rays longer); pappi 0. 2n = 36.
Phenology: Flowering Jun–Dec.
Habitat: Saline, sandy, and marshy areas of costal flats and islands
Elevation: 0–30 m
Discussion
Flaveria brownii, which has radiate heads present among the discoid heads in each capitulescence, is superficially similar to the discoid F. oppositifolia. It occurs in the lower Gulf Coast region of Texas; the latter is Mexican.
Selected References
None.