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Plant Diversity and Resources

Journal of Systematics and Evolution

Volume 56 Issue 1, Pages 56C66.

Published Online: 28 Dec. 2017

DOI: 10.1111/jse.12295

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Phylogeny and a new tribal classification of Opiliaceae (Santalales) based on molecular and morphological evidence

Chi-Toan Le1,2,3,4†, Bing Liu1,4†, Russell L. Barrett5,6, Li-Min Lu1,4*, Jun Wen7, and Zhi-Duan Chen1,4

1State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China

2University of the Chinese Academy of Sciences, Beijing 100049, China

3Hanoi Pedagogical University No. 2, Phucyen, Vinhphuc, Vietnam

4Sino-African Joint Research Center, Chinese Academy of Sciences, Wuhan 430074, China

5National Herbarium of New South Wales, Royal Botanic Gardens and Domain Trust Sydney, Sydney, NSW 2000, Australia

6Australian National Herbarium, Centre for Australian National Biodiversity Research, Canberra, ACT 2601, Australia

7Department of Botany, National Museum of Natural History, Smithsonian Institution, Washington, DC 20013-7012, USA

These authors contributed equally to this work.

Keywords: Champereieae; classification; parasitic plants; phylogeny; Yunnanopilia


Opiliaceae are a pantropical family of the Santalales mainly distributed in the Old World with only one genus in the neotropics. Opiliaceae have remained taxonomically unresolved and the generic relationships within the family have been disputed. Here we present molecular phylogenetic analyses of the family and its close relatives using a combined dataset of the nuclear ribosomal (small subunit rDNA and large subunit rDNA) and the chloroplast rbcL, matK, and trnL-F regions. We also carried out a morphological phylogenetic analysis using 24 characters for all the species of Opiliaceae and three species in Santalaceae s.l. and Strombosiaceae as outgroups. Molecular analyses strongly supported the monophyly of Opiliaceae. Agonandra Miers ex Benth. & Hook. f. is sister to all the other genera of Opiliaceae. The remaining genera form two major clades: the Opilia clade (including Cansjera Juss., Lepionurus Blume, Opilia Roxb., Pentarhopalopilia (Engl.) Hiepko, Rhopalopilia Pierre, and Urobotrya Stapf.), and the other consisting of Anthobolus plus the Champereia clade (including Champereia Griff., Melientha Pierre, and Yunnanopilia C. Y. Wu & D. Z. Li). We propose a new classification of Opiliaceae, recognizing 12 genera and four tribes, with the description of a new tribe, Champereieae Bing Liu, C. T. Le, L. M. Lu & Z. D. Chen.


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