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Thalictrum dioicum L.
USDA Symbol: THDI
USDA Native Status: L48 (N), CAN (N)
Early meadow-rue is a graceful, 8-28 in. perennial with long-stalked leaves divided into many delicate, lobed segments. Petal-less flowers have yellow stamens that hang like small tassels. The female tassel-like blossoms are purple and appear on separate plants. Drooping, greenish-white flowers are in long-stalked terminal and axillary clusters on a smooth, leafy stem.
This flower blooms in the early spring, just as the trees are leafing out, which accounts for its common name. The species name alludes to the fact that the male and female flowers are on separate plants, and is derived from the Greek word meaning two households.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: White , Green
Bloom Time: Apr , May
, WV Canada: ON
, QC Native Distribution: GA
n. to N.B., s.w. Que, s. Ont. & MN Native Habitat:
Rich woods; slopes; alluvial terraces
Growing ConditionsLight Requirement: Part Shade
Soil Moisture: Moist
Soil Description: Rich, mesic soils.
Conditions Comments: Although the delicate, Chinese lantern-like blossoms of early meadow rue are extremely attractive, the plant is grown mostly for its fine-textured foliage.
BenefitConspicuous Flowers: yes
Plant seeds outside in the fall. Seedlings will germinate in one year; flower
in two or three. Seed Collection:
Approximate collection date in northern U.S.: Late May through Jun. Commercially Avail:
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, ORMt. Cuba Center
- Hockessin, DE
Record Last Modified: 2013-06-27
Research By: TWC Staff