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Wiley InterScience | |||||||
  Nordic Journal of BotanyVolume 18 Issue 5, Pages 581 - 587 Published Online: 25 Mar 2008 Journal compilation © 2010 Nordic Journal of Botany
Abstract | References | Full Text: PDF (Size: 486K) | Related Articles | Citation Tracking  Allozyme diversity in Japanese populations of Hemerocallis thunbergii, H. middendorffii, and H. exaltata (Liliaceae) Copyright 1998 Board of Nordic Journal of Botanic ABSTRACTEight populations of Hemerocallis thunbergii, H. middendorffii, and H. exaltata from Japan were analyzed by starch gel electrophoresis to measure genetic variation at ten allozyme loci. The former two species are widely distributed in eastern Asia, whereas H. exaltata is restricted to the Tobishima and Sado Islands in western Japan. Populations of the three species maintain high levels of allozyme variation: mean expected heterozygosities were 0.288, 0.209, and 0.169, respectively. The UPGMA phenogram obtained from Nei's genetic distance values indicated that H. exaltata is allozymically the most distinct species, whereas populations of H. thunbergii and H. middendorffii are closely related. However, based on gross morphology H. exaltata and H. middendorffii are closely related. This discrepancy and the observed high levels of allozyme variation within populations of the three Hemerocallis species in Japan may in part be due to genetic change among populations of the two Japanese archipelago species. Accepted 28–1–1998 | 
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