bitterweed

网络  主色调是黄色; 含有苦素的植物



英英释义

noun

  1. any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma

      Synonym:    ragweedambrosia

    1. widespread European weed with spiny tongue-shaped leaves and yellow flowers

        Synonym:    oxtonguebristly oxtonguebuglossPicris echioides