1. Germplasm Bank of Wild Species, Kunming Institute of Botany Chinese Academy of Sciences Kunming Yunnan 650201 China
2. University of Chinese Academy of Sciences Beijing 100049 China
3. School of Life Sciences Yunnan University Kunming Yunnan 650500 China
4. Flower Research Institute Yunnan Academy of Agricultural Sciences Kunming Yunnan 650205 China
5. College of Horticulture Shenyang Agricultural University Shenyang Liaoning 110866 China
6. Center for Plant Science Innovation University of Nebraska Lincoln NE 68588 USA
7. Department of Agronomy and Horticulture University of Nebraska Lincoln NE 68583 USA