Difference between revisions of "Erigeron concinnus var. condensatus"

D. C. Eaton

in S. Watson, Botany (Fortieth Parallel), 151. 1871.

Endemic
Synonyms: Erigeron condensatus (D. C. Eaton) Greene Erigeron pumilus var. condensatus (D. C. Eaton) Cronquist
Treatment appears in FNA Volume 20. Treatment on page 290. Mentioned on page 289.
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|accepted_name=Erigeron concinnus var. condensatus
 
|accepted_name=Erigeron concinnus var. condensatus
|accepted_authority=D. C. Eaton in S. Watson
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|accepted_authority=D. C. Eaton
 
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|publications={{Treatment/Publication
 
|title=in S. Watson, Botany (Fortieth Parallel),
 
|title=in S. Watson, Botany (Fortieth Parallel),
 
|place=151. 1871
 
|place=151. 1871
 
|year=1871
 
|year=1871
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|code=E
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|label=Endemic
 
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|basionyms=
 
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name=Erigeron concinnus var. condensatus
 
name=Erigeron concinnus var. condensatus
|authority=D. C. Eaton in S. Watson
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|authority=D. C. Eaton
 
|rank=variety
 
|rank=variety
 
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|publication title=in S. Watson, Botany (Fortieth Parallel),
 
|publication title=in S. Watson, Botany (Fortieth Parallel),
 
|publication year=1871
 
|publication year=1871
|special status=
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|special status=Endemic
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|tribe=Asteraceae tribe Astereae
 
|tribe=Asteraceae tribe Astereae
 
|genus=Erigeron
 
|genus=Erigeron

Latest revision as of 20:04, 5 November 2020

Plants mostly 4–10 cm. Stems ± scapiform, densely piloso-hispid. Leaves mostly basal, cauline relatively few, greatly reduced. Heads 1.


Phenology: Flowering May–Jul.
Habitat: Open, gravelly or sandy slopes, sagebrush, juniper, pinyon-juniper
Elevation: 1500–2400 m

Discussion

Variety condensatus is distinctive in habit (single heads on nearly scapiform stems), but intergrades with var. concinnus are common in some areas. And although populations of var. condensatus appear to be concentrated in the southern and eastern part of the range of the species, even there those enclaves are scattered within the larger range of var. concinnus, and the evolutionary nature of the variation pattern is not clear.

Selected References

None.

Lower Taxa

None.
Guy L. Nesom +
D. C. Eaton +
Distasis concinna +
N.Mex. +, Utah +  and Wyo. +
1500–2400 m +
Open, gravelly or sandy slopes, sagebrush, juniper, pinyon-juniper +
Flowering May–Jul. +
in S. Watson, Botany (Fortieth Parallel), +
Erigeron condensatus +  and Erigeron pumilus var. condensatus +
Erigeron concinnus var. condensatus +
Erigeron concinnus +
variety +