Trautvetteria (Ranunculaceae)

caroliniensis v. occidentalis

A recently introduced scarce perennial, from North America, similar in flower to many Thalictrum. From a short rhizome, sometimes stoloniferous, erect stems to 90cm., bear robust palmate leaves below the dense many-flowered corymbs of fluffy white flowers July-Aug. Full-part shade and well drained leafy soil.