板蓝根
Isatis \I"sa*tis\ (?; 277), n. [L., a kind of plant, Gr. ?
woad.] (Bot.)
A genus of herbs, some species of which, especially the
{Isatis tinctoria}, yield a blue dye similar to indigo; woad.
Isatis
n : Old World genus of annual to perennial herbs: woad [syn: {genus
Isatis}]