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Makin, Julie

Thalictrum dioicum

Thalictrum dioicum L.

Early Meadow-rue

Ranunculaceae (Buttercup Family)

Synonym(s):

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."

From the Image Gallery

18 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Flower:
Size Class: 1-3 ft.

Bloom Information

Bloom Color: White , Green
Bloom Time: Apr , May

Distribution

USA: AL , AR , CT , DC , DE , GA , IA , IL , IN , KS , KY , MA , MD , ME , MI , MN , MO , NC , ND , NE , NH , NJ , NY , OH , PA , RI , SC , SD , TN , VA , VT , WI , WV
Canada: ON , QC
Native Distribution: GA & AL to AR, n. to N.B., s.w. Que, s. Ont. & MN
Native Habitat: Rich woods; slopes; alluvial terraces

Growing Conditions

Light 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.

Benefit

Conspicuous Flowers: yes

Propagation

Description: 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: yes

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:	FAC				FAC	FACW		FACU	FACU	FACW

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 on display at the following locations:

Native Seed Network - Corvallis, OR
Mt. Cuba Center - Hockessin, DE

Bibliography

Bibref 1294 - The Midwestern Native Garden: Native Alternatives to Nonnative Flowers and Plants An Illustrated Guide (2011) Adelman, Charlotte and Schwartz, Bernard L.

Search More Titles in Bibliography

Additional resources

USDA: Find Thalictrum dioicum in USDA Plants
FNA: Find Thalictrum dioicum in the Flora of North America (if available)
Google: Search Google for Thalictrum dioicum

Metadata

Record Modified: 2013-06-27
Research By: TWC Staff

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