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Issue: Vol. 407 No. 1: 26 June 2019
Type: Article
Published: 2019-06-26
DOI: 10.11646/phytotaxa.407.1.3
Page range: 5–21
Abstract views: 54
PDF downloaded: 64

Begonia balangcodiae sp. nov. from northern Luzon, the Philippines and its natural hybrid with B. crispipila, B. × kapangan nothosp. nov.

Research Museum and Herbarium (HAST), Biodiversity Research Center, Academia Sinica, Taipei 11529, Taiwan
Research Museum and Herbarium (HAST), Biodiversity Research Center, Academia Sinica, Taipei 11529, Taiwan
Research Museum and Herbarium (HAST), Biodiversity Research Center, Academia Sinica, Taipei 11529, Taiwan Biodiversity Program, Taiwan International Graduate Program, Academia Sinica and National Taiwan Normal University, Taipei 11529, Taiwan Department of Life Science, National Taiwan Normal University, Taipei 11677, Taiwan
Department of Biology, College of Arts and Sciences, University of the Philippines Manila, Padre Faura, Manila, Philippines
Department of Biology, University of the Philippines Baguio, Baguio City, Benguet, Philippines
Research Museum and Herbarium (HAST), Biodiversity Research Center, Academia Sinica, Taipei 11529, Taiwan
Research Museum and Herbarium (HAST), Biodiversity Research Center, Academia Sinica, Taipei 11529, Taiwan
Begoniaceae Begonia sect. Petermannia ITS trnL-trnF Eudicots

Abstract

The pantropically distributed Begonia (Begoniaceae) is one of the most species-rich genera. Philippines is one of the diversity centers of Southeast Asian Begonia. In our 2012 field survey, three species of Begonia section Petermannia were collected in Barangay Sagubo, Municipality of Kapangan, Province of Benguet in the northern Luzon Island, Philippines. Our study on literatures and herbarium specimens suggests that these collections consist of B. crispipila, an unknown new species hereby we named B. balangcodiae, and the natural hybrid between them. Molecular analyses confirm that the former contributed the maternal genome while the latter provided the paternal genome. We name the natural hybrid B. × kapangan, which is the first natural hybrid reported in sect. Petermannia.