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Phylogenetic Analysis and Taxonomic Delimitation of the “Hairy-Fig” Complex of Ficus sect. Eriosycea (Moraceae) in China

JING LU, PING GUI, ZHONG-LING LU, LI-FANG ZHANG, HUAI-ZHEN TIAN, MICHAEL G. GILBERT, HONG-QING LI

Abstract


The hairy-fig complex of Ficus sect. Eriosycea (Moraceae) includes F. hirta, F. esquiroliana, F. simplicissima and a Chinese entity misidentified as F. fulva. These species are difficult to delimit because of the continuously varying morphological characteristics. In order to re-evaluate the status of these taxa, herbarium specimens were extensively examined and 118 samples of the complex were selected for anatomical and molecular analysis. ITS, ETS and trnH-psbA were applied for constructing phylogenetic trees and fluorescently labeled microsatellite primers were screened for cluster analysis. The results showed that all the four species show continuously variable morphological characters and make up one well supported clade on the phylogenetic trees, and that this similar genetic background was confirmed by the cluster analysis. In conclusion, all the four taxa of the hairy-fig complex recorded in China should be combined as one species F. simplicissima, with two varieties: var. simplicissima and var. roxburghii (Miquel) Hong-Qing Li & Jing Lu.


Keywords


Eriosycea, Ficus, hairy-fig complex, new combination, new synonym, lectotypification, Eudicots



DOI: http://dx.doi.org/10.11646/phytotaxa.261.2.2

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ISSN 1179-3155 (print); ISSN 1179-3163 (online)

Published by Magnolia Press, Auckland, New Zealand