Difference between revisions of "Ranunculus acriformis var. aestivalis"

L. D. Benson

Amer. Midl. Naturalist 40: 250. 1948.

Common names: Autumn buttercup
EndemicConservation concern
Synonyms: Ranunculus acris var. aestivalis (L. D. Benson) S. L. Welsh Ranunculus aestivalis (L. D. Benson) R. Van Buren & K. T. Harper
Treatment appears in FNA Volume 3.
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|name=Ranunculus acris var. aestivalis
 
|name=Ranunculus acris var. aestivalis
 
|authority=(L. D. Benson) S. L. Welsh
 
|authority=(L. D. Benson) S. L. Welsh
 +
|rank=variety
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Ranunculus aestivalis
 
|name=Ranunculus aestivalis
 
|authority=(L. D. Benson) R. Van Buren & K. T. Harper
 
|authority=(L. D. Benson) R. Van Buren & K. T. Harper
 +
|rank=species
 
}}
 
}}
 
|hierarchy=Ranunculaceae;Ranunculus;Ranunculus subg. Ranunculus;Ranunculus sect. Ranunculus;Ranunculus acriformis;Ranunculus acriformis var. aestivalis
 
|hierarchy=Ranunculaceae;Ranunculus;Ranunculus subg. Ranunculus;Ranunculus sect. Ranunculus;Ranunculus acriformis;Ranunculus acriformis var. aestivalis
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Ranunculus acriformis var. aestivalis
 
name=Ranunculus acriformis var. aestivalis
|author=
 
 
|authority=L. D. Benson
 
|authority=L. D. Benson
 
|rank=variety
 
|rank=variety
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|publication year=1948
 
|publication year=1948
 
|special status=Endemic;Conservation concern
 
|special status=Endemic;Conservation concern
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V3/V3_618.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V3/V3_618.xml
 
|genus=Ranunculus
 
|genus=Ranunculus
 
|subgenus=Ranunculus subg. Ranunculus
 
|subgenus=Ranunculus subg. Ranunculus

Revision as of 22:29, 16 December 2019

Stems hirsute. Flowers: receptacle obpyriform to cylindric; sepals reflexed ca. 2 mm above base, pubescence of spreading hairs; petals 8-11 mm. Achenes: beak 0.4-1 mm.


Phenology: Flowering summer (Jul–Sep).
Habitat: Meadows
Elevation: 2100-2900 m

Discussion

Of conservation concern.

Ranunculus acriformis var. aestivalis is known from two sites in southern Utah, a saline meadow south of Panguitch in the Sevier River Valley and a riparian meadow in Boulger Canyon, Emery County. R. Van Buren et al. (1994) treated this variety as a distinct species, R. aestivalis, emphasizing the saline habitat of the Sevier Valley population. The morphologic differences between R. acriformis var. aestivalis and the other varieties of R. acriformis are minor, and the habitat of the single Emery County specimen is typical of the species. I prefer to retain this taxon in R. acriformis. The DNA data of Van Buren et al., based on a total of eight populations of the three varieties, are consistent with either interpretation, because the three varieties form a single clade with R. acriformis var. aestivalis as sister group to the other two.

Lower Taxa

None.