Thalictrum dioicum is an early meadow rue that grows 1-2' tall. It features lacy, fine-textured, gray-green, compound foliage (superficially resembling columbine or maidenhair fern) and panicles of tiny, drooping, greenish-white flowers often with a purple tinge which appear in late spring (April-May). Male flower has yellowish stamens and female flower has purplish pistils. Missouri native that is usually found on wooded slopes, ravines or ledges near outcroppings of limestone rock.