Tianzi Chunlan is a variety of orchid. Orchids Jan 1, 1970 0 views This variety is a pure, top-grade Chunlan narcissus orchid from Ya'an, Sichuan. The actual flower color is tender green-yellow. This variety is a pure, top-grade Chunlan narcissus orchid from Ya'an, Sichuan. The actual flower color is tender green-yellow.