Botanical Gardens, Faculty of Science, Osaka City University
HIROKAZU TSUKAYA
National Institute for Basic Biology Center for Integrative Bioscience:The Graduate University for Advanced Studies, Shonan Village:Graduate School of Science, Kyoto University
MARYATI MOHAMED
Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah
The chromosome numbers of two species of Cayratia (Vitaceae) are reported. Cayratia japonica var. mollis had a diploid number of 2n=40, while C. trifolia was found to have both diploids of 2n=40 and tetraploids of 2n=80.