| 英文摘要 |
A new diploid variety, Cryptocoryne cordata var. wellyi from the Riau Province in Sumatera is described. Three interspecific natural hybrids are also described: the diploid C.×ardyi, the triploid C.×jambiensis and the tetraploid C.×zukalii nothovar. sumateraensis, of which the tetraploid hybrid involves C. cordata var. diderici as one parent. The hybrids are sterile but propagate vegetatively, forming large stands. A key to the Cryptocoryne taxa of Sumatera is provided. |
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