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Ranunculus acris L.
MEADOW BUTTERCUP
Tall buttercup

Life   Plantae   Dicotyledoneae   Ranunculaceae   Ranunculus

Ranunculus acris
© Les Mehrhoff, 2008-2010 · 9
Ranunculus acris

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Ranunculus acris
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus acris
Ranunculus acris
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus acris

Ranunculus acris
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus acris
Ranunculus acris
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus acris

Ranunculus acris
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus acris
Ranunculus acris
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus acris

Ranunculus acris
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus acris
Ranunculus acris
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus acris

Ranunculus acris
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus acris
Ranunculus acris
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus acris

Ranunculus acris
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus acris
Ranunculus acris
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus acris

Ranunculus acris
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus acris
Ranunculus acris
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus acris

Associates · map
FamilyScientific name @ source (records)
Andrenidae  Andrena commoda @ UCMS_ENT (1)
Apidae  Bombus impatiens @ UCMS_ENT (1)

Ceratina dupla @ UCMS_ENT (1)

Nomada bethunei @ UCMS_ENT (2)
Halictidae  Agapostemon virescens @ UCMS_ENT (1)

Halictus ligatus @ UCMS_ENT (2)

Lasioglossum oceanicum @ UCMS_ENT (1)

Lasioglossum pectorale @ UCMS_ENT (1)

Sphecodes davisii @ UCMS_ENT (1)
Megachilidae  Megachile centuncularis @ UCMS_ENT (2)

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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=RAAC3 ---> https://plants.usda.gov/java/profile?symbol=RAAC3
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://plants.usda.gov/java/profile?symbol=RAAC3

Following modified from Flora of North America
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FNA | Family List | FNA Vol. 3 | Ranunculaceae | Ranunculus

7. Ranunculus acris Linnaeus, Sp. Pl. 1: 554. 1753.

Renoncule âcre, bouton d'or

Ranunculus acris var. latisectus Beck

Stems erect from short caudex or rhizome, never rooting nodally, hispid, strigose, or glabrous, base not bulbous. Roots never tuberous. Basal leaf blades pentagonal in outline, deeply 3-5-parted, 1.8-5.2 × 2.7-9.8 cm, segments 1-2×-lobed or -parted, ultimate segments narrowly elliptic or oblong to lanceolate, margins toothed or lobulate, apex acute to rounded. Flowers: receptacle glabrous; sepals spreading, 4-6(-9) × 2-5 mm, hispid; petals 5, yellow, 8-11(-17) × 7-13 mm. Heads of achenes globose, 5-7(-10) mm wide; achenes 2-3 × 1.8-2.4 mm, glabrous, margin forming narrow rib 0.1-0.2 mm wide; beak persistent, deltate, usually with tip short or long, straight or curved, subulate, 0.2-1 mm. 2 n = 14.

Flowering spring-summer (May-Sep). Meadows, stream banks, roadsides, and old fields; 0-2300 m; largely introduced; Greenland; St. Pierre and Miquelon; Alta., B.C., Man., N.B., Nfld., N.W.T., N.S., Ont., P.E.I., Que., Sask.; Ala., Alaska, Ariz., Calif., Conn., Del., D.C., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Minn., Mo., Mont., Nebr., Nev., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Oreg., Pa., R.I., S.C., S.Dak., Tenn., Utah, Vt., Va., Wash., W.Va., Wis., Wyo.; South America; Eurasia; Pacific Islands; Australia.

Ranunculus acris is variable in form and division of leaves, size of achene beak, and form of indument on the proximal stem. Most North American plants are weedy and have poorly differentiated caudices; these forms probably were introduced from Eurasia. Rhizomatous plants with large flowers (parenthetic measurements above) found in the Aleutian Islands of Alaska and in Greenland are probably native. Aleutian populations of this form have been called R . acris var. frigidus Regel or R . grandis Honda var. austrokurilensis (Tatewaki) H. Hara. Both names were originally applied to Asiatic plants, and their applicability to American specimens is open to question.

Some Native American tribes used Ranunculus acris as an analgesic, a dermatological or oral aid, an antidiarrheal, antihermorrhagic, and a sedative (D. E. Moerman 1986).

Following modified from CalPhotos
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CalPhotos     Photo Database

 

Number of matches : 12
Query: SELECT * FROM img WHERE ready=1 and taxon like "Ranunculus acris%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Ranunculus acris
Ranunculus acris
Meadow Buttercup
ID: 0000 0000 0405 1738 [detail]
© 2005 Lisa Powers

Ranunculus acris
Ranunculus acris
Meadow Buttercup
ID: 0000 0000 0405 1739 [detail]
© 2005 Lisa Powers

Ranunculus acris
Ranunculus acris
Meadow Buttercup
ID: 0000 0000 0310 0100 [detail]
© 2010 Tommaso Sitzia

Ranunculus acris
Ranunculus acris
ID: 0000 0000 0508 0157 [detail]
© 2008 Louis-M. Landry

Ranunculus acris
Ranunculus acris
ID: 0000 0000 0508 0158 [detail]
© 2008 Louis-M. Landry

Ranunculus acris
Ranunculus acris
ID: 0000 0000 0508 0159 [detail]
© 2008 Louis-M. Landry

Ranunculus acris ssp. acris
Ranunculus acris ssp. acris
Meadow Buttercup
ID: 0000 0000 1205 0497 [detail]
© 2005 Dr. Amadej Trnkoczy

Ranunculus acris ssp. acris
Ranunculus acris ssp. acris
Meadow Buttercup
ID: 0000 0000 1205 0498 [detail]
© 2005 Dr. Amadej Trnkoczy

Ranunculus acris ssp. acris
Ranunculus acris ssp. acris
Meadow Buttercup
ID: 0000 0000 1205 0499 [detail]
© 2005 Dr. Amadej Trnkoczy

Ranunculus acris ssp. acris
Ranunculus acris ssp. acris
Meadow Buttercup
ID: 0000 0000 1205 0500 [detail]
© 2005 Dr. Amadej Trnkoczy

Ranunculus acris ssp. acris
Ranunculus acris ssp. acris
Meadow Buttercup
ID: 0000 0000 0306 1112 [detail]
© 2006 Dr. Amadej Trnkoczy

Ranunculus acris ssp. acris
Ranunculus acris ssp. acris
ID: 0000 0000 0107 1669 [detail]
© 2007 Louis-M. Landry

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


Copyright © 1995-2016 UC Regents. All rights reserved.

CalPhotos is a project of BSCIT      University of California, Berkeley

Following modified from CalPhotos
   Top | See original


CalPhotos     Photo Database

 

Number of matches : 6
Query: SELECT * FROM img WHERE ready=1 and taxon like "Ranunculus acris ssp. acris%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Ranunculus acris ssp. acris
Ranunculus acris ssp. acris
Meadow Buttercup
ID: 0000 0000 1205 0497 [detail]
© 2005 Dr. Amadej Trnkoczy

Ranunculus acris ssp. acris
Ranunculus acris ssp. acris
Meadow Buttercup
ID: 0000 0000 1205 0498 [detail]
© 2005 Dr. Amadej Trnkoczy

Ranunculus acris ssp. acris
Ranunculus acris ssp. acris
Meadow Buttercup
ID: 0000 0000 1205 0499 [detail]
© 2005 Dr. Amadej Trnkoczy

Ranunculus acris ssp. acris
Ranunculus acris ssp. acris
Meadow Buttercup
ID: 0000 0000 1205 0500 [detail]
© 2005 Dr. Amadej Trnkoczy

Ranunculus acris ssp. acris
Ranunculus acris ssp. acris
Meadow Buttercup
ID: 0000 0000 0306 1112 [detail]
© 2006 Dr. Amadej Trnkoczy

Ranunculus acris ssp. acris
Ranunculus acris ssp. acris
ID: 0000 0000 0107 1669 [detail]
© 2007 Louis-M. Landry

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


Copyright © 1995-2016 UC Regents. All rights reserved.

CalPhotos is a project of BSCIT      University of California, Berkeley

Updated: 2017-08-17 18:03:00 gmt
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