(Thalictrum flavum)
Thalictrum flavum, known by the common names common meadow-rue, and yellow meadow-rue is a flowering plant species in the family Ranunculaceae. It is a native to Caucasus and Russia (Siberia). Growing to 100 cm (39 in) tall by 45 cm (18 in) broad, it is an herbaceous perennial producing clusters of fluffy yellow fragrant flowers in summer. Thalictrum flavum has fibrous roots, and has wedge-shaped, dark green leaves, with a paler green underneath, they are divided into multiple sections. It blooms between June and August. The flowers are composed of short sepals and longer, erect stamens. The sepals are actually white, but the multiple erect, yellow stamens, give the flower a yellow appearance.Later, three fruits are formed from each flower head.