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Native Plant Society of Texas

Home » Native Plants » Native Plant Database » Ranunculus macranthus

Big Buttercup

Ranunculus macranthus

Other common name(s):

Large Buttercup

Family:

Ranunculaceae (Buttercup Family)

Photo Credit: Claire Sorenson

Photo Credit: Paul Montgomery

Photo Credit: Claire Sorenson

Photo Credit: Claire Sorenson

Plant Ecoregion Distribution Map

East Central Texas Plains, Edwards Plateau, Texas Blackland Prairies

Southern Post Oak Savanna

Balcones Canyonlands, Edwards Plateau Woodland, Llano Uplift

Floodplains and Low Terraces1, Northern Blackland Prairie, Southern Blackland Prairie

Plant Characteristics

Growth Form

Herbaceous

Height

.5

to

3

ft.

Spread

.5

to

.5

ft.

Leaf Retention

Deciduous

Lifespan

Perennial

Habitat and Care Requirements

Soil Type(s)

Sand, Loam, Acid, Moist

Light Requirement

Sun

Water Requirement

Medium

Native Habitat

Grassland

Bloom and Attraction

Bloom Color

Yellow

Bloom Season

Spring

Seasonal Interest

Nectar, Flowers

Wildlife Benefit

Nectar Insects

Maintenance

Easily raised from seed. Collect seed in May or June. Seeds fall quickly after maturing so watch closely. Propagation: Seed.

Comments

Blooms March-May. POISONOUS PARTS: All parts. Minor skin irritation lasting minutes if touched. Symptoms include burning of the mouth, abdominal pain, vomiting, and bloody diarrhea. Skin redness, burning sensation, and blisters following contact with cell sap.

Previous Scientific Name(s): Ranunculus fascicularis var. cuneiformis, Ranunculus macranthus var. typicus

References

1) https://www.wildflower.org/plants/result.php?id_plant=RAMA3, 2) https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=18626#null, 3) http://bonap.net/TDC/Image/Map?taxonType=Species&taxonId=20857&locationType=County&mapType=Normal, 4) https://portal.torcherbaria.org/portal/taxa/index.php?taxon=Ranunculus+macranthus&formsubmit=Search+Terms, 5) Griffith, Bryce, Omernick & Rodgers (2007). Ecoregions of Texas.

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State Office Phone: 830.997.9272

State Office Address:
Native Plant Society of Texas
PO Box 3017
Fredericksburg, TX 78624

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