Difference between revisions of "Helenium amarum var. amarum"
Treatment appears in FNA Volume 21. Treatment on page 428.
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|accepted_name=Helenium amarum var. amarum | |accepted_name=Helenium amarum var. amarum | ||
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name=Helenium amarum var. amarum | name=Helenium amarum var. amarum | ||
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|rank=variety | |rank=variety | ||
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− | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_1068.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae |
Revision as of 20:32, 16 December 2019
Plants (10–)20–60(–100) cm. Leaves: basal and proximal cauline usually withered by flowering; basal blades linear to ovate, usually entire or pinnately toothed sometimes pinnatifid; proximal blades usually linear, usually entire, sometimes pinnately toothed. Ray corollas 6.5–14 × 4–10 mm. Disc florets 75–150+; corollas yellow to yellow-brown distally, 2–2.7 mm. Cypselae 0.9–1.3 mm; pappi of 6–8 scales 1.2–1.8 mm. 2n = 30.
Phenology: Flowering (Feb–)Jul–Oct(–Dec)
Habitat: Roadsides and fields
Elevation: 20–400 m
Distribution
![V21-1068-distribution-map.gif](/w/images/e/e4/V21-1068-distribution-map.gif)
Ala., Ark., Calif., D.C., Fla., Ga., Ind., Kans., La., Mich., Miss., Mo., N.C., Okla., Pa., S.C., Tenn., Tex., Va.
Discussion
Variety amarum is introduced in California.
Selected References
None.
Lower Taxa
None.