Difference between revisions of "Helenium vernale"
Fl. Carol., 210. 1788.
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|common_names=Savanna or spring sneezeweed | |common_names=Savanna or spring sneezeweed | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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|elevation=10–50 m | |elevation=10–50 m | ||
|distribution=Ala.;Fla.;Ga.;La.;Miss.;N.C.;S.C. | |distribution=Ala.;Fla.;Ga.;La.;Miss.;N.C.;S.C. | ||
| − | |discussion=<p>The name Helenium nuttallii A. Gray is illegitimate; it has been applied to plants treated here as H. vernale.</p> | + | |discussion=<p>The name <i>Helenium</i> nuttallii A. Gray is illegitimate; it has been applied to plants treated here as <i>H. vernale</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Helenium vernale | name=Helenium vernale | ||
| − | |||
|authority=Walter | |authority=Walter | ||
|rank=species | |rank=species | ||
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|publication title=Fl. Carol., | |publication title=Fl. Carol., | ||
|publication year=1788 | |publication year=1788 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_1072.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | ||
Latest revision as of 21:07, 5 November 2020
Perennials, 30–80 cm. Stems usually 1, usually unbranched distally, weakly winged, glabrous proximally, glabrous or sparsely hairy distally. Leaves usually glabrous, rarely sparsely hairy; basal blades obovate to narrowly oblanceolate, usually entire or undulate to undulate-serrate; proximal and mid blades usually narrowly lanceolate to narrowly oblanceolate, usually entire, sometimes toothed; distal blades lance-linear, entire. Heads 1(–3) per plant, usually borne singly. Peduncles 2–23 cm, usually glabrous, sometimes sparsely hairy. Involucres hemispheric, 10–17 × 15–27 mm. Phyllaries glabrous or sparsely hairy. Ray florets 13–30, neuter; corollas yellow, 15–21 × 5–10 mm. Disc florets 150–650(–800+); corollas yellow proximally, yellow to yellow-brown distally, 4.6–6 mm, lobes 5. Cypselae 1–1.5 mm, glabrous; pappi of usually 8 entire or lacerate, non-aristate scales 1.5–2 mm. 2n = 34.
Phenology: Flowering Mar–May.
Habitat: Ditches, other moist areas such as wet woods, bogs, and swamp edges
Elevation: 10–50 m
Distribution
Ala., Fla., Ga., La., Miss., N.C., S.C.
Discussion
The name Helenium nuttallii A. Gray is illegitimate; it has been applied to plants treated here as H. vernale.
Selected References
None.