1 Key Laboratory for Plant Diversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201, Yunnan, China. [email protected].
2 The Nature Conservatory (TNC), Santa Cruz, California, USA.
3 International Center for Tropical Agriculture (CIAT), Nairobi, Kenya.
4 International Center for Tropical Agriculture (CIAT), Cali, Colombia.