Difference between revisions of "Helenium amarum var. badium"
Rhodora 62: 321. 1960.
Common names: Basin sneezeweed
Basionym: Helenium tenuifolium var. badium A. Gray ex S. Watson Proc. Amer. Acad. Arts 18: 108. 1883
Synonyms: Helenium badium (A. Gray ex S. Watson) Greene
Treatment appears in FNA Volume 21. Treatment on page 428.
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|common_names=Basin sneezeweed | |common_names=Basin sneezeweed | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Helenium tenuifolium var. badium | |name=Helenium tenuifolium var. badium | ||
|authority=A. Gray ex S. Watson | |authority=A. Gray ex S. Watson | ||
| + | |rank=variety | ||
| + | |publication_title=Proc. Amer. Acad. Arts | ||
| + | |publication_place=18: 108. 1883 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Helenium badium | |name=Helenium badium | ||
|authority=(A. Gray ex S. Watson) Greene | |authority=(A. Gray ex S. Watson) Greene | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Gaillardiinae;Helenium;Helenium amarum;Helenium amarum var. badium | |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Gaillardiinae;Helenium;Helenium amarum;Helenium amarum var. badium | ||
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name=Helenium amarum var. badium | name=Helenium amarum var. badium | ||
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|authority=(A. Gray ex S. Watson) Waterfall | |authority=(A. Gray ex S. Watson) Waterfall | ||
|rank=variety | |rank=variety | ||
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|publication year=1960 | |publication year=1960 | ||
|special status= | |special status= | ||
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|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
Plants 10–50(–80) cm. Leaves: basal and proximal often present at, sometimes withered by, flowering; basal blades pinnatifid; proximal blades entire or pinnately toothed or lobed to pinnatifid. Ray corollas 4.5–14 × 2–9 mm. Disc florets 100–250+; corollas purple distally, 1.6–2.5 mm. Cypselae 0.7–1 mm; pappi of usually 6 scales 1–1.5 mm. 2n = 30.
Phenology: Flowering (Mar–)Apr–Jul(–Nov).
Habitat: Roadsides and fields
Elevation: 200–1500 m
Distribution
Okla., Tex., Mexico (Chihuahua, Coahuila).
Discussion
Selected References
None.
Lower Taxa
None.