Difference between revisions of "Ranunculus ficaria"
Sp. Pl. 1: 550. 1753.
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|special_status={{Treatment/ID/Special_status | |special_status={{Treatment/ID/Special_status | ||
|code=F | |code=F | ||
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}}{{Treatment/ID/Special_status | }}{{Treatment/ID/Special_status | ||
|code=I | |code=I | ||
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|name=Ranunculus ficaria subsp. bulbifer | |name=Ranunculus ficaria subsp. bulbifer | ||
|authority=Lambinon | |authority=Lambinon | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Ranunculus ficaria subsp. calthifolius | |name=Ranunculus ficaria subsp. calthifolius | ||
|authority=(Reichenbach) Arcangeli | |authority=(Reichenbach) Arcangeli | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Ranunculus ficaria var. bulbifera | |name=Ranunculus ficaria var. bulbifera | ||
|authority=Albert | |authority=Albert | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Ranunculaceae;Ranunculus;Ranunculus subg. Ficaria;Ranunculus ficaria | |hierarchy=Ranunculaceae;Ranunculus;Ranunculus subg. Ficaria;Ranunculus ficaria | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Ranunculus ficaria | name=Ranunculus ficaria | ||
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|authority=Linnaeus | |authority=Linnaeus | ||
|rank=species | |rank=species | ||
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|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
|publication year=1753 | |publication year=1753 | ||
| − | |special status= | + | |special status=Illustrated;Introduced |
| − | |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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V3/V3_896.xml |
|genus=Ranunculus | |genus=Ranunculus | ||
|subgenus=Ranunculus subg. Ficaria | |subgenus=Ranunculus subg. Ficaria | ||
Revision as of 22:32, 16 December 2019
Stems erect to decumbent, not rooting nodally, glabrous, not bulbous-based, spheric or ellipsoid bulbils sometimes formed in leaf axils. Tuberous roots present. Basal leaves simple and undivided, blades cordate to deltate or semicircular, 1.8-3.7 × 2-4 cm, base cordate, margins entire or crenate, apex rounded or obtuse. Flowers: receptacle glabrous; sepals spreading, saccate at extreme base, 4-9 × 3-6 mm, glabrous; petals yellow, 10-15 × 3-7 mm. Heads of achenes hemispheric, 4-5 × 6-8 mm; achenes 2.6-2.8 × 1.8-2 mm, pubescent; beak absent.
Phenology: Flowering spring (Apr–May).
Habitat: Shaded stream banks and moist disturbed areas
Elevation: 0-300 m
Distribution
B.C., Nfld., Ont., Que., Conn., D.C., Ill., Ky., Md., Mass., Mich., Mo., N.J., N.Y., Ohio, Oreg., Pa., R.I., Tenn., Va., Wash., W.Va., native to Europe.
Discussion
In North America, Ranunculus ficaria seems to be expanding its range rapidly in areas with cool mesic climates.
The species is extremely variable (especially in leaf size and stem posture), and many attempts have been made to divide it into varieties or subspecies (see P. D. Sell 1994). The different forms, however, intergrade extensively and the varieties are often impossible to distinguish.
Selected References
None.