Ligusticum wallichii is a flowering plant in the carrot family best known for its use in traditional Chinese medicine where it is considered one of the 50 fundamental herbs. It is known by the common names chuānxiōng (川芎) and Szechuan lovage. Biologically active compounds in the plant include tetramethylpyrazine. It is native to India and Nepal.
and from pubmed:
1: Microvasc Res. 2002 Mar;63(2):218-26. Links
Studies on single-cell adhesion ...