Journal
JOURNAL OF PLANT RESEARCH
Volume 125, Issue 4, Pages 499-505Publisher
SPRINGER TOKYO
DOI: 10.1007/s10265-012-0474-x
Keywords
Apogamy; Dryopteris; Extinct species; Hybrid; PgiC
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Dryopteris shibipedis was once treated as an extinct species in the Red List (2007) by the Japanese Ministry of the Environment, but 'rediscovered' in the Tsukuba Botanical Garden. To clarify its origin, using 'overlooked' cultivated stocks we analyzed nuclear PgiC intron sequences. As the PgiC genotype of D. shibipedis can be explained by a combination of alleles of D. kinkiensis and those of D. pacifica, the hypothesis of hybrid origin of the species is supported.
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