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Bransford, W.D. and Dolphia
Thalictrum dasycarpum Fisch. & Avé-Lall.
Purple meadow-rue, Meadow rue, Tall meadow-rue
Synonym(s): Thalictrum dasycarpum var. hypoglaucum, Thalictrum hypoglaucum
USDA Symbol: thda
USDA Native Status: L48 (N), CAN (N)
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.
Bloom InformationBloom Color: White , Yellow , Green , Purple
Bloom Time: Mar , Apr , May , Jun , Jul
, WY Canada: ON 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:
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
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Native Seed Network
- Corvallis, OR
Record Last Modified: 2012-12-09
Research By: TWC Staff