New Distribution Record of Begonia grandis (Begoniaceae, section Diploclinium) from Taiwan, with subspecies assignment based on morphology and molecular phylogeny

Taiwania

Yi-Fu Wang¹  Meng-Jung Ho²  Koh Nakamura²  Ching-I Peng²  Kuo-Fang Chung³ 

[1] Dr Cecilia Koo Botanic Conservation Center, 31, Tongsing Rd., Gaoshu, Pingtung 906, Taiwan.;Herbarium (HAST), Biodiversity Research Center, Academia Sinica, Nangang, Taipei 115, Taiwan.;School of Forestry and Resource Conservation, National Taiwan University, Daan, Taipei 10617, Taiwan.;

关键词: Begoniaceae;    Begonia grandis;    ITS;    new record;    sect. Diploclinium;    Taiwan;    taxonomy;   

DOI  :  10.6165/tai.2015.60.49

来源: DOAJ

【 摘 要 】

Begonia grandis Dry. (Begoniaceae), previously recognized as endemic to continental China, was recently discovered from southern Taiwan. Close morphological observations and molecular phylogenetic analysis elucidated that the species in Taiwan belongs to subspecies grandis. Begonia grandis has a long history in cultivation especially in China and Japan but not in Taiwan. The collection locality in Taiwan had no trace of human activity. Therefore, B. grandis is considered to be native to Taiwan. The new finding in Taiwan marks the southernmost distribution record of the species. Unfortunately, the discovered population was destroyed by a landslide due to a typhoon in 2009. Further field survey in neighboring areas is needed to elucidate the current status of B. grandis in Taiwan.

【 授权许可】

Unknown