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Thalictrum thalictroides (L.) Eames & B. Boivin

Rue anemone

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassMagnoliidaeIncludes magnolias, nutmeg, bay laurel, cinnamon, avocado, black pepper, and many others
OrderRanunculalesBasal (evolved earlier) eudicots, also called “true dicots”
FamilyRanunculaceaeButtercup family
GenusThalictrumFrom Greek qaliktron (thaliktron), a “plant with divided leaves”

About plant names...

Rue anemone is native to woodlands in eastern North America. It is a relative of the buttercup family. Thalictrum means "divided leaves;" so does thalictroides(!)

Identification: Plants are 4-12" (10-30 cm) tall. Leaves are rounded in shape, split into three lobes near the tips, about 1-1½" (2.5-3.8 cm) around. White to pinkish flowers with yellow stamens appear in groups of 1-6, supported by thin red-brown stems. Each flower has 5-10 petals, and is ¼-1¼" (8.5-31 mm) around. Fruits appear in late spring and are ¹/₁₆-⅛" (3-4.5 mm) long.

Thalictrum thalictroides (rue anemone)

Pink form. Photo taken at the Mt. Cuba Center where it was identified. ©2007 by Derek Ramsey.

Online References:

Illinois Wildflowers

The Lady Bird Johnson Wildflower Center

Discover Life

The University of Wisconsin's Robert W. Freckmann Herbarium

The Vanderbilt University Bioimages web site

Plants for a Future, a resource and information centre for edible and otherwise useful plants


Anemonella thalictroides (L.) Spach

Syndesmon thalictroides (L.) Hoffmanns. ex Britton


Thalictrum thalictroides description by Thomas H. Kent, last updated 25 May 2020.

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Thalictrum thalictroides (rue anemone)

5/15/2010 · Garden in the Woods, Framingham, Mass­a­chu­setts
≈ 9 × 6" (23 × 15 cm)

Thalictrum thalictroides (rue anemone)

4/15/1979 · Memphis, Ten­nes­see · By Tim Chandler

Thalictrum thalictroides (rue anemone)

5/14/2012 · Acton Arboretum, Acton, Mass­a­chu­setts
≈ 9 × 6" (23 × 15 cm)

Thalictrum thalictroides (rue anemone)

5/15/2010 · Garden in the Woods, Framingham, Mass­a­chu­setts
≈ 15 × 10" (39 × 26 cm)


About this map...