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Ranunculus hispidus Michx.
BRISTLY BUTTERCUP
Life   Plantae   Dicotyledoneae   Ranunculaceae   Ranunculus

Ranunculus hispidus, caricetorum
© Les Mehrhoff, 2008-2010 · 10
Ranunculus hispidus, caricetorum

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Ranunculus hispidus, Hispid Buttercup
© Copyright Sheryl Pollock 2011 · 8
Ranunculus hispidus, Hispid Buttercup
Ranunculus hispidus, Hispid Buttercup
© Copyright Sheryl Pollock 2011 · 8
Ranunculus hispidus, Hispid Buttercup
Ranunculus hispidus
© Copyright Bobby Hattaway 2011 · 5
Ranunculus hispidus
Ranunculus hispidus
© Copyright Bobby Hattaway 2011 · 5
Ranunculus hispidus

Ranunculus hispidus
© Copyright Bobby Hattaway 2011 · 5
Ranunculus hispidus
Ranunculus hispidus
© Copyright Bobby Hattaway 2011 · 5
Ranunculus hispidus
Ranunculus hispidus
© Copyright Bobby Hattaway 2011 · 5
Ranunculus hispidus
Ranunculus hispidus
© Copyright Bobby Hattaway 2011 · 5
Ranunculus hispidus

Ranunculus hispidus
© Copyright Bobby Hattaway 2011 · 5
Ranunculus hispidus
Ranunculus hispidus
© Copyright Bobby Hattaway 2011 · 5
Ranunculus hispidus
Ranunculus hispidus
© Copyright Bobby Hattaway 2011 · 5
Ranunculus hispidus
Ranunculus hispidus
© Copyright Bobby Hattaway 2011 · 5
Ranunculus hispidus

Ranunculus hispidus
© Copyright Bobby Hattaway 2011 · 5
Ranunculus hispidus
Ranunculus hispidus
© Copyright Bobby Hattaway 2011 · 5
Ranunculus hispidus

Associates · map
FamilyScientific name @ source (records)
Andrenidae  Andrena miranda @ CUIC_ENT (1)

Andrena nasonii @ CUIC_ENT (4)

Andrena wilkella @ CUIC_ENT (1)
Halictidae  Lasioglossum obscurum @ CUIC_ENT (18)
Peronosporaceae  Peronospora ficariae @ BPI (1)

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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Ranunculus caricetorum Greene ( Ranunculus hispidus var. caricetorum , Ranunculus septentrionalis var. caricetorum ) Hispid Buttercup
Ranunculaceae — Buttercup family
Rare native
Ranunculus caricetorum
Brandywine Creek State Park
May 2008 Ranunculus caricetorum
Brandywine Creek State Park
May 2008

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Photos copyright David G. Smith

Delaware Wildflowers main page

Following modified from MissouriPlants.com
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Ranunculus hispidus Michx.

Bristly Buttercup, Hispid Buttercup

Ranunculus hispidus plant2

Family - Ranunculaceae

Habit - Perennial forb from fibrous to fleshy roots.

Stems - Lax to ascending to erect, to 50cm, often from a spreading base, branching, sometimes rooting at lower nodes, sparsely to densely pubescent with spreading and/or appressed hairs, lacking bulbils, the base not bulbous.

Ranunculus hispidus roots Roots.

Ranunculus hispidus var. nitidus stem Stem.

Leaves - Basal and alternate, petiolate, trifoliolate. Basal leaves present at flowering, moderately to long-petiolate, the blade 2-14 cm long, 2.5-16.0 cm wide, ovate to broadly ovate or nearly heart-shaped in outline, ternately compound (the earliest leaves sometimes merely deeply lobed), the 3 primary leaflets variously unlobed or 2-5-lobed or -parted, the ultimate lobes or segments narrowly elliptic or oblanceolate to circular, the base rounded to more commonly angled or tapered, the margins otherwise few- to several-toothed toward the tip. Stem leaves with progressively shorter petioles toward the stem tip, the blade moderately to deeply 3-lobed or -divided, the segments narrowly elliptic or oblanceolate to obovate, the margins otherwise usually few- to several-toothed above the midpoint.

Ranunculus hispidus leaf1 Leaf adaxial.

Ranunculus hispidus leaf2 Leaf abaxial.

Ranunculus hispidus var. nitidus leaves Pressed leaves.

Inflorescence - Single pedunculate flowers from the upper leaf axils. Peduncles to 3 cm long, pubescent, angled, grooved.

Ranunculus hispidus inflorescence Inflorescence.

Flowers - Sepals 5, 5-8 mm long, spreading or reflexed from at (then lacking a transverse fold or joint) or along a well-defined transverse fold about 1 mm above the base, plane. Petals 5, 8-16 mm long, 3-9 mm wide, obovate to oblongobovate, longer than the sepals, glossy yellow. Style present. Stamens numerous. Filaments yellow-green, glabrous, 2-3 mm long. Anthers yellow, 1.8 mm long. Receptacle pubescent.

Ranunculus hispidus flower3 Flower.

Ranunculus hispidus flower2

Ranunculus hispidus var. nitidus calyx Sepals.

Fruits - Head of achenes 6-12 mm long at maturity, hemispheric to ovoid or globose, the receptacle hairy. Achenes 2.2-5.2 mm long, flattened, the dorsal margin sharply angled or narrowly winged (often the entire margin angled or winged), the wall thick, smooth, glabrous, the beak 0.8-2.6 mm long, narrowly triangular, tapered, straight or somewhat curved.

Ranunculus hispidus var. nitidus fruits Fruits.

Flowering - March - June.

Habitat - Forests, streambanks, base of bluffs, prairies, pond margins, fens, marshes.

Origin - Native to the U.S.

Lookalikes - Other large-flowered species of Ranunculus , especially R. sardous and R. fascicularis .

Other info. - This is a common species throughout Missouri and most of the eastern half of the continental U.S. It can be identified by its moist habitat and sprawling habit. The plant is, however, highly variable in it stem and leaf pubescence and may not always be easily recognized. The ascending stems and trifoliolate basal leaves are good characters to use for an identification. A key character to differentiate this from the similar R. sardous is the long-tapered beaks on the achenes. However, R. fascicularis achenes also have long beaks. In that species, the roots are markedly thickened and the leaves are shaped differently.

Steyermark and Yatskievych have both subdivided the species into three varieties based on the plant's habit, sepal orientation, and aspects of the achenes. These are var. hispidus , var. caricetorum , and var. nitidus . In recent taxonomy, R. septentrionalis has been subsumed into the R. hispidus complex. The three varieties of that species mentioned by Steyermark are now varieties of R. hispidus .

Photographs taken at Eagle Bluffs Conservation Area, Boone County, MO., 4-18-04 (DETenaglia); also at Engelmann Woods Natural Area, Franklin County, MO, 4-20-2014, and St. Francois State Park, St. Francois County, MO, 5-4-2014 (SRTurner).


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Ranunculus hispidus Michx.
bristly buttercup

Image of Ranunculus hispidus

General Information
Symbol: RAHI
Group: Dicot
Family: Ranunculaceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : CAN   N
L48   N
Characteristics
Data Source and Documentation
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Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images

click on a thumbnail to view an image, or see all the Ranunculus thumbnails at the Plants Gallery

Robert H. Mohlenbrock. USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species . Northeast National Technical Center, Chester. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

©Thomas G. Barnes. Barnes, T.G., and S.W. Francis. 2004. Wildflowers and ferns of Kentucky . University Press of Kentucky. Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 113. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team . Usage Requirements .

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Synonyms

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Magnoliidae
Order Ranunculales
Family Ranunculaceae – Buttercup family
Genus Ranunculus L. – buttercup
Species Ranunculus hispidus Michx. – bristly buttercup

Subordinate Taxa

The Plants Database includes the following 3 subspecies of Ranunculus hispidus . Click below on a thumbnail map or name for subspecies profiles. Plant is native (blue) Native Plant is introduced Introduced Plant is introduced Native and Introduced Related taxa legend Distribution of <i>
Ranunculus hispidus</i>
Michx. var. <i>
caricetorum</i>
(Greene) T. Duncan
Ranunculus hispidus var. caricetorum
bristly buttercup Distribution of <i>
Ranunculus hispidus</i>
Michx. var. <i>
hispidus </i>
Ranunculus hispidus var. hispidus
bristly buttercup Distribution of <i>
Ranunculus hispidus</i>
Michx. var. <i>
nitidus</i>
(Chapm.) T. Duncan
Ranunculus hispidus var. nitidus
bristly buttercup

Legal Status

Wetland Status

Interpreting Wetland Status

North America
Atlantic and Gulf Coastal Plain FAC
Eastern Mountains and Piedmont FAC
Great Plains FACW
Midwest FAC
Northcentral & Northeast FAC

Related Links

More Accounts and Images
Flora of North America (RAHI)
Integrated Taxonomic Information System (RAHI)
Lady Bird Johnson Wildflower Center Native Plant Information Network (RAHI)
University of Wisconsin - Stevens Point Freckmann Herbarium (RAHI)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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

17. Ranunculus hispidus Michaux, Fl. Bor.-Amer. 1: 321. 1803.

Renoncule hispide

Stems erect or decumbent, sometimes rooting nodally, hispid or strigose, base not bulbous. Roots never tuberous. Basal leaf blades ovate to deltate in outline, 3-foliolate or outer blades merely 3-parted, 2-13.4 × 2.4-16.8 cm, leaflets undivided to lobed or parted, ultimate segments narrowly elliptic or oblanceolate to circular, margins toothed, apex acuminate to rounded. Flowers: receptacle hispid; sepals spreading or reflexed, 4-10 × 2-5 mm, hispid; petals 5, yellow, 8-16 × 3-9 mm. Heads of achenes hemispheric to short-ovoid, 6-10 × 7-10 mm; achenes 2.2-5.2 × 2-3.8 mm, glabrous, margin forming narrow rib or broad wing 0.1-1.2 mm wide; beak persistent, lance-subulate, straight or somewhat curved, 0.8-2.6 mm.

Varieties 3: North America.

Until recently, the varieties of Ranunculus hispidus were usually treated as distinct species. Arguments for restoring species status to R . hispidus var. nitidus were given by G. L. Nesom (1993).

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Ranunculus+hispidus+var.+nitidus+&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Ranunculus+hispidus+var.+nitidus+&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 8
Query: SELECT * FROM img WHERE ready=1 and taxon like "Ranunculus hispidus var. nitidus%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Ranunculus hispidus var. nitidus
Ranunculus hispidus var. nitidus
Bristly Buttercup
ID: 0000 1111 2222 0301 [detail]
© 2016 Keir Morse

Ranunculus hispidus var. nitidus
Ranunculus hispidus var. nitidus
Bristly Buttercup
ID: 0000 1111 2222 0302 [detail]
© 2016 Keir Morse

Ranunculus hispidus var. nitidus
Ranunculus hispidus var. nitidus
Bristly Buttercup
ID: 0000 1111 2222 0303 [detail]
© 2016 Keir Morse

Ranunculus hispidus var. nitidus
Ranunculus hispidus var. nitidus
Bristly Buttercup
ID: 0000 1111 2222 0304 [detail]
© 2016 Keir Morse

Ranunculus hispidus var. nitidus
Ranunculus hispidus var. nitidus
Bristly Buttercup
ID: 0000 1111 2222 0305 [detail]
© 2016 Keir Morse

Ranunculus hispidus var. nitidus
Ranunculus hispidus var. nitidus
Bristly Buttercup
ID: 0000 1111 2222 0306 [detail]
© 2016 Keir Morse

Ranunculus hispidus var. nitidus
Ranunculus hispidus var. nitidus
Bristly Buttercup
ID: 0000 1111 2222 0307 [detail]
© 2016 Keir Morse

Ranunculus hispidus var. nitidus
Ranunculus hispidus var. nitidus
Bristly Buttercup
ID: 0000 1111 2222 0308 [detail]
© 2016 Keir Morse

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 .   


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CalPhotos is a project of BNHM      University of California, Berkeley

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Ranunculus+hispidus+var.+caricetorum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Ranunculus+hispidus+var.+caricetorum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 3
Query: SELECT * FROM img WHERE ready=1 and taxon like "Ranunculus hispidus var. caricetorum%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Ranunculus hispidus var. caricetorum
Ranunculus hispidus var. caricetorum
ID: 0000 0000 0409 1679 [detail]
© 2009 Jason E. Willand

Ranunculus hispidus var. caricetorum
Ranunculus hispidus var. caricetorum
ID: 0000 0000 0409 1681 [detail]
© 2009 Jason E. Willand

Ranunculus hispidus var. caricetorum
Ranunculus hispidus var. caricetorum
ID: 0000 0000 0409 1682 [detail]
© 2009 Jason E. Willand

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 © 1995-2019 UC Regents. All rights reserved.

CalPhotos is a project of BNHM      University of California, Berkeley

Updated: 2019-10-21 10:16:33 gmt
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