Difference between revisions of "Helenium bigelovii"
in War Department [U.S.], Pacif. Railr. Rep. 4(5): 107. 1857.
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}} | }} | ||
|common_names=Bigelow’s sneezeweed | |common_names=Bigelow’s sneezeweed | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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|publication title=in War Department [U.S.], Pacif. Railr. Rep. | |publication title=in War Department [U.S.], Pacif. Railr. Rep. | ||
|publication year=1857 | |publication year=1857 | ||
| − | |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_1080.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | ||
Revision as of 20:54, 27 May 2020
Perennials, 30–130 cm. Stems 1–3(–10), unbranched or sparingly branched distally, weakly to moderately winged, glabrous proximally, glabrous or sparsely hairy distally. Leaves glabrous or sparsely hairy; basal blades oblanceolate to oblong-elliptic, entire; proximal and mid blades lanceolate to oblong-elliptic, entire; distal blades linear to lanceolate, entire. Heads 1–20 per plant, borne singly or in paniculiform arrays. Peduncles (6–)10–30 cm, sparsely to moderately hairy. Involucres hemispheric to globoid, 12–20 × (14–)17–22(–25) mm. Phyllaries (connate proximally) moderately to densely hairy. Ray florets 14–20, pistillate, fertile; corollas yellow, 13–25 × 5–10(–12) mm. Disc florets 250–500(–800+); corollas yellow proximally, yellow to brown to purple distally, 3–4.4(–4.8) mm, lobes 5. Cypselae 1.8–2.4 mm, moderately hairy; pappi of 6–8 entire, aristate scales 1.3–2.2(–2.7) mm. 2n = 32.
Phenology: Flowering (May–)Jul–Aug(–Oct).
Habitat: Bogs and swamps, around ponds and lakes, along streams, in moist meadows
Elevation: 60–3400 m
Discussion
Selected References
None.