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Article

Cytogenetic insights into the diversification of Calanthe: polyploidy, karyotype variation, and genome size evolution.

BMC plant biology - 29 May 2026

Choi Bokyung, Jeong Sein, Kim Hyeonjin, Jung Daeun, Choi Daehoon, Kim Jin-Won, Myeong Hyeon-Ho, So Soonku, Jang Tae-Soo

Abstract excerpt

Changes in chromosome number and genome size arising from hybridization and polyploidization are major drivers of plant diversification. The orchid genus Calanthe, broadly distributed across tropical and subtropical Asia, is known to exhibit complex ploidy variation. Here we document, in South Korean natural populations, both diploid (2n = 40) and triploid (2n = 60) cytotypes among the surveyed species. We...

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Identifiers

PMID: 42215888
DOI: 10.1186/s12870-026-09117-1
PMCID: PMC13430756

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