Difference between revisions of "Helenium linifolium"

Rydberg

in N. L. Britton et al., N. Amer. Fl. 34: 125. 1915.

Common names: Slimleaf sneezeweed
Endemic
Treatment appears in FNA Volume 21. Treatment on page 433. Mentioned on page 428, 430.
FNA>Volume Importer
imported>Volume Importer
 
(2 intermediate revisions by 2 users not shown)
Line 1: Line 1:
 
{{Treatment/ID
 
{{Treatment/ID
 
|accepted_name=Helenium linifolium
 
|accepted_name=Helenium linifolium
|accepted_authority=Rydberg in N. L. Britton et al.
+
|accepted_authority=Rydberg
 
|publications={{Treatment/Publication
 
|publications={{Treatment/Publication
 
|title=in N. L. Britton et al., N. Amer. Fl.
 
|title=in N. L. Britton et al., N. Amer. Fl.
Line 8: Line 8:
 
}}
 
}}
 
|common_names=Slimleaf sneezeweed
 
|common_names=Slimleaf sneezeweed
 +
|special_status={{Treatment/ID/Special_status
 +
|code=E
 +
|label=Endemic
 +
}}
 
|basionyms=
 
|basionyms=
 
|synonyms=
 
|synonyms=
Line 32: Line 36:
 
-->{{#Taxon:
 
-->{{#Taxon:
 
name=Helenium linifolium
 
name=Helenium linifolium
|authority=Rydberg in N. L. Britton et al.
+
|authority=Rydberg
 
|rank=species
 
|rank=species
 
|parent rank=genus
 
|parent rank=genus
Line 45: Line 49:
 
|publication title=in N. L. Britton et al., N. Amer. Fl.
 
|publication title=in N. L. Britton et al., N. Amer. Fl.
 
|publication year=1915
 
|publication year=1915
|special status=
+
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_1082.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_1082.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 20:08, 5 November 2020

Annuals, 20–80 cm. Stems usually 1, branched distally, narrowly winged, sparsely hairy proximally, moderately hairy distally. Leaves glabrous or sparsely hairy (basal withered by flowering); proximal blades lance-linear, usually coarsely or irregularly laciniate; mid and distal blades lance-linear to linear, entire. Heads 5–50(–100+) per plant, in paniculiform arrays. Peduncles 2–8 cm, sparsely to moderately hairy. Involucres globose to slightly ovoid, 6–11(–13) × 6–11(–13) mm. Phyllaries moderately hairy. Ray florets 8–9, pistillate, fertile; corollas yellow throughout or red proximally and yellow distally or red throughout, 6–12 × 3–8 mm. Disc florets 150–300(–500+); corollas yellow-green proximally, brown to purple distally, 2.5–3.2 mm, lobes 5. Cypselae 1–1.2 mm, moderately hairy; pappi of 6(–7) entire, aristate scales 2–2.5 mm. 2n = 28.


Phenology: Flowering (Feb–)Mar–May(–Jul).
Habitat: Sandy soils, ditches, open pastures, edges of ponds and streams
Elevation: 10–200 m

Discussion

Selected References

None.

Lower Taxa

None.