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Thalictrum dioicum

Thalictrum dioicum L.

 

Early Meadow Rue, Quicksilver-weed, Early Meadowrue

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”
Speciesdioicum

About plant names...

Early meadow rue is native to North America.

Identification: Plants are 12-31" (30-80 cm) tall. Leaves are blue-green, rounded, with three lobes at the far end, each leaflet ⅜-1¾" (1-4.5 cm) wide. Flowers occur in loosely spaced groups. They do not have petals, just sepals ¹/₁₆-⅛" (1.8-4 mm) long, greenish or yellowing, sometimes with a purple tint.

Online References:

Thalictrum dioicum on Earl J.S. Rook's Flora, Fauna, Earth, and Sky ... The Natural History of the Northwoods

Thalictrum dioicum on Missouriplants.com

Thalictrum dioicum on Wikipedia

Thalictrum dioicum at the Missouri Botanical Garden

Thalictrum dioicum on Southeastern Flora, the Southeastern U.S. Plant Identification Resource

Thalictrum dioicum at the Lady Bird Johnson Wildflower Center

Thalictrum dioicum at the University of Wisconsin's Robert W. Freckmann Herbarium

Thalictrum dioicum on the USDA Forest Service's Fire Effects Information Database

Thalictrum dioicum on eFloras

Thalictrum dioicum description by Thomas H. Kent, last updated 16 Aug 2013.

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Thalictrum dioicum (Early Meadow Rue, Quicksilver-weed, Early Meadowrue)

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

Thalictrum dioicum (Early Meadow Rue, Quicksilver-weed, Early Meadowrue)

9/14/2010 · Garden in the Woods, Framingham, MA
≈ 18 × 12" (46 × 30 cm)

Range: Zones 4-7:

About this map...