1. Guangdong Provincial Key Laboratory of Biotechnology for Plant Development School of Life Sciences South China Normal University Guangzhou510631China
2. Centre for Cell & Developmental Biology and State Key Laboratory of Agrobiotechnology School of Life Sciences The Chinese University of Hong Kong Shatin New Territories Hong Kong China
3. MOE Key Laboratory & Guangdong Provincial Key Laboratory of Laser Life Science College of Biophotonics South China Normal University Guangzhou510631China
4. Department of Botany Center for Quantitative Cell Imaging University of Wisconsin‐Madison Madison WI53706USA