Ranunculus laxicaulis

Classification	Dicots
Family	Ranunculaceae
Family (Traditional)	Ranunculaceae
Genus	Ranunculus
Species:	Ranunculus laxicaulis (Torr. & A. Gray) Darby
Common Name	Mississippi Buttercup
Growth Habit	forb
Plant Notes	**
Characteristics	Armaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: GRSM; Duration: Annual; Duration: Perennial; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: April; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: compound; Leaf Complexity: simple; Leaf Fragrance: No; Leaf Persistance: Deciduous; Base Flower Color: Yellow; Fruit Dehiscence: No; Fruit Type: Achene; Fruit Wet/Dry: Dry; Ovary Position: Superior; Overall Flower Symmetry: Actinomorphic; Perianth Present: Yes; Petal Number: 5; Placentation Type: Basal; Placentation Type: Marginal; Sexuality: monoclinous; Sporangium Arrangement: N/A
C value	8
Status	Native; AGCP (OBL), EMP (OBL) (NWPL); TN[SNR] KY[S4] (State Rank); G5? (Global Rank)
Specimen(s)	View and Download Specimen Details »

** Not applicable or data not available.

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Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

State Boundaries
Counties
Counties - Species Present

Ecoregions

Southeastern Plains
- Blackland Prarie
Blue Ridge Mountains
Ridge and Valley
Cumberland Plateau
Cumberland Mountains
Allegheny Plateau

Interior Plateau
- Bluegrass Region
- Nashville Basin
- Pennyroyal Karst Plain
- Western Highland Rim
- Eastern Highland Rim

Interior River Valleys and Hills
- Shawnee / Caseyville Hills
Mississippi Alluvial Plain
Mississippi Valley Loess Plains
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Synonyms

Synonym	Full Citation
Ranunculus laxicaulis var. angustifolia	Ranunculus laxicaulis var. angustifolia (Engelm.) L.D. Benson
Ranunculus laxicaulis var. angustifolius	Ranunculus laxicaulis var. angustifolius (Engelm.) L.D. Benson

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: McCracken (KY), Marshall (KY), Coffee (TN), Davidson (TN), Haywood (TN), Johnson (TN), Monroe (TN)

Herbaria represented by specimen data listed below: APSC, EKY, ETSU, TENN, VDB

Range of years during which specimens were collected: 1968 - 2010

Accession No. (click for full details)	County	State	Coll. Date	Collector & Collection No.	Herbarium & Herbarium Name Used
TENN-V-0099108	Coffee	Tennessee			TENN Ranunculus laxicaulis
TENN-V-0098848	Johnson	Tennessee			TENN Ranunculus laxicaulis
TENN-V-0099111	Davidson	Tennessee			TENN Ranunculus laxicaulis
TENN-V-0099107	Coffee	Tennessee			TENN Ranunculus laxicaulis
31234100615309	McCracken	Kentucky	28 Jun 1968	Raymond Athey 304	EKY Ranunculus laxicaulis
31234100615291	Marshall	Kentucky	16 May 1972	Raymond Athey 1680	EKY Ranunculus laxicaulis
BRIT530409	Coffee	Tennessee	12 May 2010	Dwayne Estes 11375	VDB Ranunculus laxicaulis
TENN-V-0099110	Coffee	Tennessee			TENN Ranunculus laxicaulis
TENN-V-0098849	Johnson	Tennessee			TENN Ranunculus laxicaulis
TENN-V-0099813	McCracken	Kentucky			TENN Ranunculus laxicaulis
APSC0104545	Marshall	Kentucky			APSC Ranunculus laxicaulis
TENN-V-0099112	Haywood	Tennessee			TENN Ranunculus laxicaulis
TENN-V-0099109	Coffee	Tennessee			TENN Ranunculus laxicaulis
APSC0005893	Monroe	Tennessee			APSC Ranunculus laxicaulis
ETSU008709	Johnson	Tennessee			ETSU Ranunculus laxicaulis
APSC0102407	McCracken	Kentucky			APSC Ranunculus laxicaulis
APSC0045381	Coffee	Tennessee			APSC Ranunculus laxicaulis
TENN-V-0099113	Monroe	Tennessee			TENN Ranunculus laxicaulis

View a List of All Ecological Communities

Ranunculus laxicaulis

Related Links

Species Distribution Map

Ecoregions

Synonyms

Specimens and Distribution

Plant Photos