Thalictrum dasycarpum Fisch. & Avé-Lall.
Purple meadow-rue, Meadow rue, Tall meadow-rue
Ranunculaceae (Buttercup Family)
Synonym(s): Thalictrum dasycarpum var. hypoglaucum, Thalictrum hypoglaucum
USDA Symbol: thda
Purple meadow-rue or tall meadow-rue is a stout, upright perennial, 2-6 ft. high, with purplish stems branching in the upper portion. The flowers, which occur in loose, delicate, terminal clusters, are creamy-green with petal-like sepals falling as they open. Numerous, colored, thread-like stamens remain, becoming drooping and tangled. The leaves are divided into numerous, three-lobed leaflets.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Breeding System: Flowers Unisexual , Dioecious
Flower: Flowers 1/2 inch
Size Class: 3-6 ft.
Bloom InformationBloom Color: White , Yellow , Green , Purple
Bloom Time: Mar , Apr , May , Jun , Jul
DistributionUSA: AL , AR , AZ , CO , IA , ID , IL , IN , KS , KY , LA , MI , MN , MO , MS , MT , ND , NE , NM , NY , OH , OK , PA , SD , TN , TX , UT , WA , WI , WY
Native Distribution: Ont. to e. B.C., s. to MD, OH, TX & AZ; rare & local in New England, ID, MT & n.e. WA
Native Habitat: Wet meadows; stream banks; prairies
Growing ConditionsWater Use: Medium
Light Requirement: Part Shade
Soil Moisture: Moist , Wet
Soil Description: Rich, sandy or calcareous loams. Sandy, Sandy Loam, Medium Loam Clay Loam Acid-based, Calcareous
Conditions Comments: In addition to its use in naturalized landscapes, tall meadow rue makes an interesting background plant in designed beds.
BenefitUse Ornamental: Perennial garden, Water garden, Bog or pond area, Ground cover
Use Food: In the first century AD, Pliny recomended meadowrue for preventing baldness and restoring hair. Most species produce chemicals called alkaloids, some of which have been used to combat tumours. A few species contain the heart toxin thalictrine. (Kershaw)
Conspicuous Flowers: yes
PropagationPropagation Material: Seeds
Description: Propagate by seed.
Seed Collection: Not Available
Seed Treatment: Cold-moist stratify for 4-6 weeks before planting.
Commercially Avail: yes
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
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:
Native Seed Network - Corvallis, OR
BibliographyBibref 946 - Gardening with Prairie Plants: How to Create Beautiful Native Landscapes (2002) Wasowski, Sally
Bibref 765 - McMillen's Texas Gardening: Wildflowers (1998) Howard, D.
Bibref 318 - Native Texas Plants: Landscaping Region by Region (2002) Wasowski, S. & A. Wasowski
* The Midwestern Native Garden: Native Alternatives to Nonnative Flowers and Plants An Illustrated Guide (2011) Adelman, Charlotte and Schwartz, Bernard L.
Bibref 328 - Wildflowers of Texas (2003) Ajilvsgi, Geyata.
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Additional resourcesUSDA: Find Thalictrum dasycarpum in USDA Plants
FNA: Find Thalictrum dasycarpum in the Flora of North America (if available)
Google: Search Google for Thalictrum dasycarpum
MetadataRecord Modified: 2012-12-09
Research By: TWC Staff