Journal
PHYTOKEYS
Volume -, Issue 174, Pages 1-12Publisher
PENSOFT PUBLISHERS
DOI: 10.3897/phytokeys.174.62306
Keywords
chloroplast DNA; Chongqing; Iris x ampliflora; Section Lophiris
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Funding
- Science and Technology Commission of Shanghai Municipality Project, in Shanghai, P. R. China [19DZ1204004]
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A newly discovered natural hybrid, Iris x ampliflora, from Chongqing, China, is described in this study. The hybrid is characterized by giant leaves and large purple flowers, distinguishing it from closely related species. Molecular systematic evidence and chromosome data suggest that it is likely a new hybrid between I. japonica and I. wattii.
A newly discovered natural hybrid, Iris x ampliflora Y.E. Xiao, F.Y. Yu & X.F. Chen (Iridaceae: subgenus Limniris section Lophiris) from Chongqing, China, is described and illustrated. This hybrid is morphologically similar to I. japonica Thunb. and I. wattii Baker, but can be distinguished by its giant leaves and large purple flowers. Phylogenetic trees based on cpDNA data support the separation of I. x ampliflora from other closely related species in the section Lophiris. According to its morphological features, molecular systematic evidence and chromosome data, we speculate that I. x ampliflora [31 chromosomes] likely is a new hybrid between I. japonica [2n = 32] and I. wattii [2n = 30].
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