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Photographer: Merel R. Black
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Family Ranunculaceae
Thalictrum dioicum L.
early meadow-rue, quicksilver-weed
Thalictrum: from thaliktron, a name used to describe a plant with divided leaves, and a name given to the genus by Dioscorides, the Greek physician and pharmacologist who wrote the Materia Medica, which remained the leading pharmacological text for 16 centuries
dioicum: Greek for "two houses," dioecious
Hazardous 
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| Status: | Native |
| Plant: | erect, perennial, 12"-28" tall forb |
| Flower: | greenish to yellowish, 4-5-parted, petal-like sepals falling early, fringe-like filaments remain; inflorescence a 6" small, branched cluster; blooms April-May |
| Fruit: | dry seed |
| Leaf: | thin, hairless, all long-stalked, 1-4 times 3-parted, leaflets 1/3"-1 3/4" wide with 3-12 often round-toothed lobes |
| Habitat: | partial sun to shade; dry to moderate moisture; woods, forests; in sandy, loamy soil |
| Notes: | plants have either male (drooping) or female (erect) flowers; usually flowering at the same time or before leaves appear on deciduous trees |
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