Described by Thwaites (1864), accepted by Jonker (1948), Kumar et al. (1984), Hsie and Ohashi (2000), Zhang (2001), Hsu et al. (2005), and Wu et al. (2010). The synonym B. japonica was coined by Maximowicz (1891) in Makino's 'Illustrations on the flora of Japan...', but Makino (1903) himself already saw the close relationship to B. championii as well as to the other synonym B. tuberosa (Beccari 1877), and presumed them to be perhaps identical. Ernst and Bernard (1911, 1914) as well as Smith (1911, 1914) still treated the two names as different species. The name Burmannia capitata was given to this species earlier by Makino (1890), missing the fact that this name was given to a green Burmannia already by C.F.P. Martius in 1824. Matsumura (1905) noticed the mistake and the identity to B. japonica Maxim. Jonker (1938, 1948) synonymized all these names (also B. dalzieli Rendle 1902 and B. chionantha Schlechter 1912) and, therefore extended the range of B. championii from Ceylon to middle Japan. Wu et al. (2010, accessible on the web) also rejected the taxon Burmannia hunanensis coined by Liu et al. (2001) to be synonymous with B. championii, although Liu et al. (2001) provide a table with several morphological distinctions between these two taxa, with the most prominent differences being the presence of bulbils and a subterranean tuber in B. hunanensis. New locations of B. championii were reported by Mukai et al. (2001) and Dang et al. (2015).
Burmannia championii Thwaites
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