Nuclear DNA amount of the section Camellia species estimated with flow cytometry.

Z. mays L. cv. B73 was employed as a standard. Chromosome numbers were adopted from previous studies and the index to Plant Chromosome Numbers (http://mobot.mobot.org/W2T/Search/ipch.html). All materials were collected from International Camellia Species Garden (ICSG).*NA indicates that the information of chromosome number is not available.