‖ yulan|ˈjuːlən| Also youlan. [Chinese, f.yu a gem + lan plant.] A Chinese species of magnolia, M. conspicua (M. Yulan). 1822Hortus Anglicus II. 55 Lily flowered Magnolia, or Youlan.1882Garden 6 May 311/1 The Yulan..forms a conspicuous object amongst spring flowering trees.