1. Department of Plant Biology University of Georgia Athens GA 30605 USA
2. College of Agronomy and Biotechnology Yunnan Agricultural University Kunming 650201 China
3. Germplasm Bank of Wild Species, Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 China
4. Calitzdorp 6660 Western Cape South Africa
5. Graduate School of Life Sciences Tohoku University Sendai Miyagi 980‐8577 Japan