Karyotype of Phaius tankervilleae and Phaius amboinensis orchid E.S. Muliawati, S. Hartati, P. Parjanto, S. Sukaya, N. Nandariyah, E. Yuniastuti, I.R. Manurung and C.W.W. Purmiyoto E3S Web of Conf., 373 (2023) 03029 Published online: 14 March 2023 DOI: 10.1051/e3sconf/202337303029