Ranunculus macranthus Scheele
Ranunculaceae (Buttercup Family)
Synonym(s): Ranunculus fascicularis var. cuneiformis, Ranunculus macranthus var. typicus
USDA Symbol: RAMA3
This is a clumped perennial with bright-yellow, fragrant, cup-shaped flowers. The long-stalked blossoms often appear semi-doubled. Large buttercup stems can be erect and 1 ft. tall or reclining and 3 ft. long. Its stem leaves are densely hairy and deeply cleft, while the basal leaves are cut into leaflets.
This is one of the largest-flowered native buttercups.
From the Image Gallery
Bloom InformationBloom Color: Yellow
Bloom Time: Mar , Apr
DistributionUSA: AZ , NM , TX
Native Distribution: S.w. U.S. & Mex.
Native Habitat: Prairie, Plains, Meadows, Pastures, Savannas, Woodlands' edge, Opening
Growing ConditionsWater Use: Medium
Light Requirement: Sun
Soil Moisture: Moist
Soil pH: Acidic (pH<6.8)
Soil Description: Rich, wet soils. Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay
Conditions Comments: This is one of the largest flowered native buttercups. The large butter-yellow flowers and attractive foliage of this plant immediately attract the eye. Prefers moist soil.
BenefitUse Ornamental: Pocket prairie, Wildflower meadow, Bog or pond area
Warning: POISONOUS PARTS: All parts. Low toxicity if eaten. 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. Toxic Principle: Protoanemonin, released from the glycoside ranunculin.(Poisonous Plants of N.C.)
Conspicuous Flowers: yes
Interesting Foliage: yes
Nectar Source: yes
Deer Resistant: High
PropagationDescription: Easily raised from seed.
Seed Collection: Collect seed in May or June. Falls quickly after maturing so watch closely.
Commercially Avail: yes
National Wetland Indicator Status
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Lady Bird Johnson Wildflower Center - Austin, TX
BibliographyBibref 765 - McMillen's Texas Gardening: Wildflowers (1998) Howard, D.
Bibref 281 - Shinners & Mahler's Illustrated Flora of North Central Texas (1999) Diggs, G. M.; B. L. Lipscomb; B. O'Kennon; W. F...
Bibref 328 - Wildflowers of Texas (2003) Ajilvsgi, Geyata.
Bibref 286 - Wildflowers of the Texas Hill Country (1989) Enquist, M.
Search More Titles in Bibliography
Additional resourcesUSDA: Find Ranunculus macranthus in USDA Plants
FNA: Find Ranunculus macranthus in the Flora of North America (if available)
Google: Search Google for Ranunculus macranthus
MetadataRecord Modified: 2007-01-01
Research By: TWC Staff