A long time underground gave this flower a distinctive yellowish tone. Originally the flower was pure white. It was previously in the possession of Rudolph Voll (1911-2009) who acquired it in the 1970’s in Hong Kong. For further information about Rudolph Voll see Quick Find 5139. A similar type of flower (nr 370) is depicted in professor Cheng Te-k’un’s book ‘Jade Flowers and Floral Patterns in Chinese Decorative Art’。