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http://dx.doi.org/10.11110/kjpt.2016.46.4.405

Morphological variation and aspects of the geographic distribution of Orobanche coerulescens Stephan ex Willd. (Orobanchaceae) on Ulleung-do and Dok-do Islands  

Lee, Woong (Research Institute for Dok-do and Ulleung-do Island, Kyungpook National University)
Jeong, Keum Seon (Division of Forest Biodiversity and Herbarium, Korea National Arboretum)
Choi, Kyung (Division of Forest Biodiversity and Herbarium, Korea National Arboretum)
Kim, Jin Seok (Division of Plant Resources, National Institute of Biological Resources)
Cho, Seong Ho (Natural History Museum, Kyungpook National University)
Pak, Jae-Hong (Research Institute for Dok-do and Ulleung-do Island, Kyungpook National University)
Publication Information
Korean Journal of Plant Taxonomy / v.46, no.4, 2016 , pp. 405-412 More about this Journal
Abstract
We investigate the intraspecific morphological variations and geographical distributions from twelve populations (28 samples) of Orobanche coerulescens in Korea. Two main morphological types were detected, i.e., glabrous (G-type) and pilose (P-type), in the external morphology (stem, leaf, bract, calyx, and corolla). The G-type was found on Ulleung-do and Dok-do, and the P-type was observed on the coasts of South Korea, Jeju-do and Ulleung-do. The distinct difference in the morphological types and geographical distribution suggested the existence of two putative lineages with different distribution processes. O. coerulescens, distributed in very limited areas, was only identified as the G-type on Dok-do. Hence, conservation efforts should focus on protecting native habitats to conserve native species and the unique biogeographic significance of this species.
Keywords
Orobanche coerulescens; morphological variation; geographic distribution; Ulleung-do; Dok-do; conservation;
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Times Cited By KSCI : 6  (Citation Analysis)
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