Cymbidium goeringii 'Xuelong' (Xiaotianlong) Variety Introduction Orchids Jan 1, 1970 0 views Xuelong, also known as Xiaotianlong, is a traditional variety of Cymbidium goeringii with hard, rounded petals in the plum blossom type. Xuelong, also known as Xiaotianlong, is a traditional variety of Cymbidium goeringii with hard, rounded petals in the plum blossom type.