1o_ One of the many names of the ornamental perennial plant Limonium sinuatum, from the Plumbaginaceae family. She is also known as captain, straw flower, alwaysvivad blue, among other names. 2o_ As an expression it means that something must be driven harshly; but to the blows, where more "iron fist" is used. See mitten, maniflojo, "iron hand with silk glove".