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Ranunculus bulbosus L.
BULBOUS BUTTERCUP
Ranunculus bulbosus subsp bulbifer (Jord) P Fourn; St Anthonys turnip

Life   Plantae   Dicotyledoneae   Ranunculaceae   Ranunculus

Ranunculus bulbosus, Bulbous Buttercup
© Copyright Sheryl Pollock 2011 · 8
Ranunculus bulbosus, Bulbous Buttercup

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Ranunculus bulbosus, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Ranunculus bulbosus, whole plant - in flower - general view
Ranunculus bulbosus, inflorescence - frontal view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Ranunculus bulbosus, inflorescence - frontal view of flower

Ranunculus bulbosus, inflorescence - frontal view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Ranunculus bulbosus, inflorescence - frontal view of flower
Ranunculus bulbosus, inflorescence - lateral view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Ranunculus bulbosus, inflorescence - lateral view of flower

Ranunculus bulbosus, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Ranunculus bulbosus, stem - showing leaf bases
Ranunculus bulbosus, leaf - on upper stem
© Copyright Steve Baskauf, 2002-2011 · 4
Ranunculus bulbosus, leaf - on upper stem

Ranunculus bulbosus, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Ranunculus bulbosus, leaf - basal or on lower stem
Ranunculus bulbosus, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Ranunculus bulbosus, whole plant - in flower - general view

Ranunculus bulbosus, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Ranunculus bulbosus, whole plant - in flower - general view
Ranunculus bulbosus
© Copyright Malcolm Storey 2011-2117 · 3
Ranunculus bulbosus

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

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

Associates · map
FamilyScientific name @ source (records)
Andrenidae  Andrena cressonii @ CUIC_ENT (2)

Andrena forbesii @ UCMS_ENT (1)

Andrena nasonii @ CUIC_ENT (1); UCMS_ENT (8)
Apidae  Ceratina calcarata @ UCMS_ENT (3)

Ceratina dupla @ UCMS_ENT (11)
Colletidae  Hylaeus affinis @ UCMS_ENT (5)

Hylaeus schwarzii @ UCMS_ENT (2)
Halictidae  Agapostemon sericeus @ UCMS_ENT (1)

Augochlorella aurata @ UCMS_ENT (4)

Halictus ligatus @ UCMS_ENT (7)

Lasioglossum cressonii @ UCMS_ENT (1)

Lasioglossum ephialtum @ UCMS_ENT (1)

Lasioglossum leucocomum @ UCMS_ENT (4)

Lasioglossum leucozonium @ UCMS_ENT (3)

Lasioglossum oceanicum @ UCMS_ENT (3)

Lasioglossum pilosum @ UCMS_ENT (4)

Lasioglossum rozeni @ UCMS_ENT (1)

Lasioglossum tegulare @ BBSL (1)

Lasioglossum versatum @ UCMS_ENT (1)

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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Ranunculus bulbosus L. Bulbous Buttercup
Ranunculaceae — Buttercup family
Non-native
Ranunculus bulbosus
Bellevue State Park
April 2001 Ranunculus bulbosus
Hay Point Landing Road
May 2010

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from MissouriPlants.com
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Ranunculus bulbosus  L. - Bulbous Buttercup

Ranunculus bulbosus plant

Family - Ranunculaceae

Stems - To +60cm tall, erect, single or typically multiple from the base, fistulose, herbaceous, typically purplish, branching, antrorse appressed pubescent or slightly spreading pubescent, from a thickened corm-like base and thickened roots.

Ranunculus bulbosus stem Portion of stem.

Ranunculus bulbosus base Roots and base of plant.

Leaves - Alternate, petiolate below, becoming sessile above, the bases of the basal leaves spreading and surrounding the corm-like base of the plant. Petioles to +15cm long, long antrorse pubescent, with a deep adaxial groove. Stipule-like appendages at the base of the leaves scarious, sometimes with two squarish auricles at the apical end. Leaf blades pubescent above and below, trifoliolate, ovate in outline, to +6cm long, +7cm long. Leaflets of the basal leaves often 3-lobed again. Ultimate divisions of leaves acute. Terminal leaflet on petiolule to +2cm long. Lateral leaflets on petiolule to 6-7mm long. Terminal leaflet slightly larger and more deeply lobed. Leaves reduced upward, becoming sessile and just 3-lobed. Lobes entire, linear to oblanceolate, subacute, pubescent.

Ranunculus bulbosus leaves

Inflorescence - Axillary and terminal pedunculate flowers. Peduncles to +15cm long, appressed pubescent, green, carinate or not, a small leaf occasionally present on peduncle or not.

Flowers - Petals 5, shiny yellow adaxially, pale yellow below, glabrous, to 1.5cm broad and long, broadly obovate to orbicular. Stamens many (+50), borne below the carpels. Filaments to +7mm long, glabrous, yellowish. Anthers yellow, to 3mm long, oblong. Carpels glabrous, compressed, green, to 3mm long in flower, quickly expanding in fruit. Receptacle pubescent. Sepals 5, reflexed in flower, greenish yellow, to 1.5cm long, 5mm broad at the base, pilose adaxially, glabrous adaxially, subulate-triangular, often reddish at the apex and/or with a red midvein.

Ranunculus bulbosus flower

Ranunculus bulbosus sepals Sepals.

Ranunculus bulbosus achenes Developing achenes.

Flowering - April - June.

Habitat - Wet open pastures, orchards, grassy open fields, roadsides.

Origin - Native to Europe.

Other info. - This weedy species was reported by Steyermark in just one county but it has since spread into much of the state. The plant can be identified by its bulbosus base and slightly thickened roots. The divided leaves and reflexed sepals are also good characteristics to help with a proper ID.
This is a variable plant in the amount of pubescence of the stem and leaves.

Photographs taken in Brown Summit, NC., 4-20-03.


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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=RABU ---> https://plants.usda.gov/java/profile?symbol=RABU
&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=RABU

Following modified from CalPhotos
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CalPhotos     Photo Database

 

Number of matches : 4
Query: SELECT * FROM img WHERE ready=1 and taxon like "Ranunculus bulbosus%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Ranunculus bulbosus
Ranunculus bulbosus
Bulbous Buttercup
ID: 0000 0000 1205 0801 [detail]
© 2005 Dr. Amadej Trnkoczy

Ranunculus bulbosus
Ranunculus bulbosus
Bulbous Buttercup
ID: 0000 0000 1205 0802 [detail]
© 2005 Dr. Amadej Trnkoczy

Ranunculus bulbosus
Ranunculus bulbosus
Bulbous Buttercup
ID: 0000 0000 1205 0803 [detail]
© 2005 Dr. Amadej Trnkoczy

Ranunculus bulbosus
Ranunculus bulbosus
Bulbous Buttercup
ID: 0000 0000 0409 1158 [detail]
© 2009 Phil Pullen

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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Updated: 2017-06-26 11:04:19 gmt
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